Polytope of Type {10,8,8}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {10,8,8}*1280d
if this polytope has a name.
Group : SmallGroup(1280,150681)
Rank : 4
Schlafli Type : {10,8,8}
Number of vertices, edges, etc : 10, 40, 32, 8
Order of s0s1s2s3 : 40
Order of s0s1s2s3s2s1 : 2
Special Properties :
   Universal
   Orientable
   Flat
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   None in this Atlas
Vertex Figure Of :
   None in this Atlas
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {10,4,8}*640b, {10,8,4}*640b
   4-fold quotients : {10,4,4}*320
   5-fold quotients : {2,8,8}*256d
   8-fold quotients : {10,2,4}*160, {10,4,2}*160
   10-fold quotients : {2,4,8}*128b, {2,8,4}*128b
   16-fold quotients : {5,2,4}*80, {10,2,2}*80
   20-fold quotients : {2,4,4}*64
   32-fold quotients : {5,2,2}*40
   40-fold quotients : {2,2,4}*32, {2,4,2}*32
   80-fold quotients : {2,2,2}*16
Covers (Minimal Covers in Boldface) :
   None in this atlas.
Permutation Representation (GAP) : 
s0 := (  1, 81)(  2, 85)(  3, 84)(  4, 83)(  5, 82)(  6, 86)(  7, 90)(  8, 89)
(  9, 88)( 10, 87)( 11, 91)( 12, 95)( 13, 94)( 14, 93)( 15, 92)( 16, 96)
( 17,100)( 18, 99)( 19, 98)( 20, 97)( 21,101)( 22,105)( 23,104)( 24,103)
( 25,102)( 26,106)( 27,110)( 28,109)( 29,108)( 30,107)( 31,111)( 32,115)
( 33,114)( 34,113)( 35,112)( 36,116)( 37,120)( 38,119)( 39,118)( 40,117)
( 41,121)( 42,125)( 43,124)( 44,123)( 45,122)( 46,126)( 47,130)( 48,129)
( 49,128)( 50,127)( 51,131)( 52,135)( 53,134)( 54,133)( 55,132)( 56,136)
( 57,140)( 58,139)( 59,138)( 60,137)( 61,141)( 62,145)( 63,144)( 64,143)
( 65,142)( 66,146)( 67,150)( 68,149)( 69,148)( 70,147)( 71,151)( 72,155)
( 73,154)( 74,153)( 75,152)( 76,156)( 77,160)( 78,159)( 79,158)( 80,157)
(161,241)(162,245)(163,244)(164,243)(165,242)(166,246)(167,250)(168,249)
(169,248)(170,247)(171,251)(172,255)(173,254)(174,253)(175,252)(176,256)
(177,260)(178,259)(179,258)(180,257)(181,261)(182,265)(183,264)(184,263)
(185,262)(186,266)(187,270)(188,269)(189,268)(190,267)(191,271)(192,275)
(193,274)(194,273)(195,272)(196,276)(197,280)(198,279)(199,278)(200,277)
(201,281)(202,285)(203,284)(204,283)(205,282)(206,286)(207,290)(208,289)
(209,288)(210,287)(211,291)(212,295)(213,294)(214,293)(215,292)(216,296)
(217,300)(218,299)(219,298)(220,297)(221,301)(222,305)(223,304)(224,303)
(225,302)(226,306)(227,310)(228,309)(229,308)(230,307)(231,311)(232,315)
(233,314)(234,313)(235,312)(236,316)(237,320)(238,319)(239,318)(240,317)
(321,401)(322,405)(323,404)(324,403)(325,402)(326,406)(327,410)(328,409)
(329,408)(330,407)(331,411)(332,415)(333,414)(334,413)(335,412)(336,416)
(337,420)(338,419)(339,418)(340,417)(341,421)(342,425)(343,424)(344,423)
(345,422)(346,426)(347,430)(348,429)(349,428)(350,427)(351,431)(352,435)
(353,434)(354,433)(355,432)(356,436)(357,440)(358,439)(359,438)(360,437)
(361,441)(362,445)(363,444)(364,443)(365,442)(366,446)(367,450)(368,449)
(369,448)(370,447)(371,451)(372,455)(373,454)(374,453)(375,452)(376,456)
(377,460)(378,459)(379,458)(380,457)(381,461)(382,465)(383,464)(384,463)
(385,462)(386,466)(387,470)(388,469)(389,468)(390,467)(391,471)(392,475)
(393,474)(394,473)(395,472)(396,476)(397,480)(398,479)(399,478)(400,477)
(481,561)(482,565)(483,564)(484,563)(485,562)(486,566)(487,570)(488,569)
(489,568)(490,567)(491,571)(492,575)(493,574)(494,573)(495,572)(496,576)
(497,580)(498,579)(499,578)(500,577)(501,581)(502,585)(503,584)(504,583)
(505,582)(506,586)(507,590)(508,589)(509,588)(510,587)(511,591)(512,595)
(513,594)(514,593)(515,592)(516,596)(517,600)(518,599)(519,598)(520,597)
(521,601)(522,605)(523,604)(524,603)(525,602)(526,606)(527,610)(528,609)
(529,608)(530,607)(531,611)(532,615)(533,614)(534,613)(535,612)(536,616)
(537,620)(538,619)(539,618)(540,617)(541,621)(542,625)(543,624)(544,623)
(545,622)(546,626)(547,630)(548,629)(549,628)(550,627)(551,631)(552,635)
(553,634)(554,633)(555,632)(556,636)(557,640)(558,639)(559,638)(560,637);;
s1 := (  1,403)(  2,402)(  3,401)(  4,405)(  5,404)(  6,408)(  7,407)(  8,406)
(  9,410)( 10,409)( 11,413)( 12,412)( 13,411)( 14,415)( 15,414)( 16,418)
( 17,417)( 18,416)( 19,420)( 20,419)( 21,428)( 22,427)( 23,426)( 24,430)
( 25,429)( 26,423)( 27,422)( 28,421)( 29,425)( 30,424)( 31,438)( 32,437)
( 33,436)( 34,440)( 35,439)( 36,433)( 37,432)( 38,431)( 39,435)( 40,434)
( 41,453)( 42,452)( 43,451)( 44,455)( 45,454)( 46,458)( 47,457)( 48,456)
( 49,460)( 50,459)( 51,443)( 52,442)( 53,441)( 54,445)( 55,444)( 56,448)
( 57,447)( 58,446)( 59,450)( 60,449)( 61,478)( 62,477)( 63,476)( 64,480)
( 65,479)( 66,473)( 67,472)( 68,471)( 69,475)( 70,474)( 71,468)( 72,467)
( 73,466)( 74,470)( 75,469)( 76,463)( 77,462)( 78,461)( 79,465)( 80,464)
( 81,323)( 82,322)( 83,321)( 84,325)( 85,324)( 86,328)( 87,327)( 88,326)
( 89,330)( 90,329)( 91,333)( 92,332)( 93,331)( 94,335)( 95,334)( 96,338)
( 97,337)( 98,336)( 99,340)(100,339)(101,348)(102,347)(103,346)(104,350)
(105,349)(106,343)(107,342)(108,341)(109,345)(110,344)(111,358)(112,357)
(113,356)(114,360)(115,359)(116,353)(117,352)(118,351)(119,355)(120,354)
(121,373)(122,372)(123,371)(124,375)(125,374)(126,378)(127,377)(128,376)
(129,380)(130,379)(131,363)(132,362)(133,361)(134,365)(135,364)(136,368)
(137,367)(138,366)(139,370)(140,369)(141,398)(142,397)(143,396)(144,400)
(145,399)(146,393)(147,392)(148,391)(149,395)(150,394)(151,388)(152,387)
(153,386)(154,390)(155,389)(156,383)(157,382)(158,381)(159,385)(160,384)
(161,563)(162,562)(163,561)(164,565)(165,564)(166,568)(167,567)(168,566)
(169,570)(170,569)(171,573)(172,572)(173,571)(174,575)(175,574)(176,578)
(177,577)(178,576)(179,580)(180,579)(181,588)(182,587)(183,586)(184,590)
(185,589)(186,583)(187,582)(188,581)(189,585)(190,584)(191,598)(192,597)
(193,596)(194,600)(195,599)(196,593)(197,592)(198,591)(199,595)(200,594)
(201,613)(202,612)(203,611)(204,615)(205,614)(206,618)(207,617)(208,616)
(209,620)(210,619)(211,603)(212,602)(213,601)(214,605)(215,604)(216,608)
(217,607)(218,606)(219,610)(220,609)(221,638)(222,637)(223,636)(224,640)
(225,639)(226,633)(227,632)(228,631)(229,635)(230,634)(231,628)(232,627)
(233,626)(234,630)(235,629)(236,623)(237,622)(238,621)(239,625)(240,624)
(241,483)(242,482)(243,481)(244,485)(245,484)(246,488)(247,487)(248,486)
(249,490)(250,489)(251,493)(252,492)(253,491)(254,495)(255,494)(256,498)
(257,497)(258,496)(259,500)(260,499)(261,508)(262,507)(263,506)(264,510)
(265,509)(266,503)(267,502)(268,501)(269,505)(270,504)(271,518)(272,517)
(273,516)(274,520)(275,519)(276,513)(277,512)(278,511)(279,515)(280,514)
(281,533)(282,532)(283,531)(284,535)(285,534)(286,538)(287,537)(288,536)
(289,540)(290,539)(291,523)(292,522)(293,521)(294,525)(295,524)(296,528)
(297,527)(298,526)(299,530)(300,529)(301,558)(302,557)(303,556)(304,560)
(305,559)(306,553)(307,552)(308,551)(309,555)(310,554)(311,548)(312,547)
(313,546)(314,550)(315,549)(316,543)(317,542)(318,541)(319,545)(320,544);;
s2 := ( 21, 36)( 22, 37)( 23, 38)( 24, 39)( 25, 40)( 26, 31)( 27, 32)( 28, 33)
( 29, 34)( 30, 35)( 41, 51)( 42, 52)( 43, 53)( 44, 54)( 45, 55)( 46, 56)
( 47, 57)( 48, 58)( 49, 59)( 50, 60)( 61, 66)( 62, 67)( 63, 68)( 64, 69)
( 65, 70)( 71, 76)( 72, 77)( 73, 78)( 74, 79)( 75, 80)(101,116)(102,117)
(103,118)(104,119)(105,120)(106,111)(107,112)(108,113)(109,114)(110,115)
(121,131)(122,132)(123,133)(124,134)(125,135)(126,136)(127,137)(128,138)
(129,139)(130,140)(141,146)(142,147)(143,148)(144,149)(145,150)(151,156)
(152,157)(153,158)(154,159)(155,160)(161,181)(162,182)(163,183)(164,184)
(165,185)(166,186)(167,187)(168,188)(169,189)(170,190)(171,191)(172,192)
(173,193)(174,194)(175,195)(176,196)(177,197)(178,198)(179,199)(180,200)
(201,231)(202,232)(203,233)(204,234)(205,235)(206,236)(207,237)(208,238)
(209,239)(210,240)(211,221)(212,222)(213,223)(214,224)(215,225)(216,226)
(217,227)(218,228)(219,229)(220,230)(241,261)(242,262)(243,263)(244,264)
(245,265)(246,266)(247,267)(248,268)(249,269)(250,270)(251,271)(252,272)
(253,273)(254,274)(255,275)(256,276)(257,277)(258,278)(259,279)(260,280)
(281,311)(282,312)(283,313)(284,314)(285,315)(286,316)(287,317)(288,318)
(289,319)(290,320)(291,301)(292,302)(293,303)(294,304)(295,305)(296,306)
(297,307)(298,308)(299,309)(300,310)(321,361)(322,362)(323,363)(324,364)
(325,365)(326,366)(327,367)(328,368)(329,369)(330,370)(331,371)(332,372)
(333,373)(334,374)(335,375)(336,376)(337,377)(338,378)(339,379)(340,380)
(341,396)(342,397)(343,398)(344,399)(345,400)(346,391)(347,392)(348,393)
(349,394)(350,395)(351,386)(352,387)(353,388)(354,389)(355,390)(356,381)
(357,382)(358,383)(359,384)(360,385)(401,441)(402,442)(403,443)(404,444)
(405,445)(406,446)(407,447)(408,448)(409,449)(410,450)(411,451)(412,452)
(413,453)(414,454)(415,455)(416,456)(417,457)(418,458)(419,459)(420,460)
(421,476)(422,477)(423,478)(424,479)(425,480)(426,471)(427,472)(428,473)
(429,474)(430,475)(431,466)(432,467)(433,468)(434,469)(435,470)(436,461)
(437,462)(438,463)(439,464)(440,465)(481,546)(482,547)(483,548)(484,549)
(485,550)(486,541)(487,542)(488,543)(489,544)(490,545)(491,556)(492,557)
(493,558)(494,559)(495,560)(496,551)(497,552)(498,553)(499,554)(500,555)
(501,526)(502,527)(503,528)(504,529)(505,530)(506,521)(507,522)(508,523)
(509,524)(510,525)(511,536)(512,537)(513,538)(514,539)(515,540)(516,531)
(517,532)(518,533)(519,534)(520,535)(561,626)(562,627)(563,628)(564,629)
(565,630)(566,621)(567,622)(568,623)(569,624)(570,625)(571,636)(572,637)
(573,638)(574,639)(575,640)(576,631)(577,632)(578,633)(579,634)(580,635)
(581,606)(582,607)(583,608)(584,609)(585,610)(586,601)(587,602)(588,603)
(589,604)(590,605)(591,616)(592,617)(593,618)(594,619)(595,620)(596,611)
(597,612)(598,613)(599,614)(600,615);;
s3 := (  1,161)(  2,162)(  3,163)(  4,164)(  5,165)(  6,166)(  7,167)(  8,168)
(  9,169)( 10,170)( 11,171)( 12,172)( 13,173)( 14,174)( 15,175)( 16,176)
( 17,177)( 18,178)( 19,179)( 20,180)( 21,196)( 22,197)( 23,198)( 24,199)
( 25,200)( 26,191)( 27,192)( 28,193)( 29,194)( 30,195)( 31,186)( 32,187)
( 33,188)( 34,189)( 35,190)( 36,181)( 37,182)( 38,183)( 39,184)( 40,185)
( 41,206)( 42,207)( 43,208)( 44,209)( 45,210)( 46,201)( 47,202)( 48,203)
( 49,204)( 50,205)( 51,216)( 52,217)( 53,218)( 54,219)( 55,220)( 56,211)
( 57,212)( 58,213)( 59,214)( 60,215)( 61,231)( 62,232)( 63,233)( 64,234)
( 65,235)( 66,236)( 67,237)( 68,238)( 69,239)( 70,240)( 71,221)( 72,222)
( 73,223)( 74,224)( 75,225)( 76,226)( 77,227)( 78,228)( 79,229)( 80,230)
( 81,241)( 82,242)( 83,243)( 84,244)( 85,245)( 86,246)( 87,247)( 88,248)
( 89,249)( 90,250)( 91,251)( 92,252)( 93,253)( 94,254)( 95,255)( 96,256)
( 97,257)( 98,258)( 99,259)(100,260)(101,276)(102,277)(103,278)(104,279)
(105,280)(106,271)(107,272)(108,273)(109,274)(110,275)(111,266)(112,267)
(113,268)(114,269)(115,270)(116,261)(117,262)(118,263)(119,264)(120,265)
(121,286)(122,287)(123,288)(124,289)(125,290)(126,281)(127,282)(128,283)
(129,284)(130,285)(131,296)(132,297)(133,298)(134,299)(135,300)(136,291)
(137,292)(138,293)(139,294)(140,295)(141,311)(142,312)(143,313)(144,314)
(145,315)(146,316)(147,317)(148,318)(149,319)(150,320)(151,301)(152,302)
(153,303)(154,304)(155,305)(156,306)(157,307)(158,308)(159,309)(160,310)
(321,481)(322,482)(323,483)(324,484)(325,485)(326,486)(327,487)(328,488)
(329,489)(330,490)(331,491)(332,492)(333,493)(334,494)(335,495)(336,496)
(337,497)(338,498)(339,499)(340,500)(341,516)(342,517)(343,518)(344,519)
(345,520)(346,511)(347,512)(348,513)(349,514)(350,515)(351,506)(352,507)
(353,508)(354,509)(355,510)(356,501)(357,502)(358,503)(359,504)(360,505)
(361,526)(362,527)(363,528)(364,529)(365,530)(366,521)(367,522)(368,523)
(369,524)(370,525)(371,536)(372,537)(373,538)(374,539)(375,540)(376,531)
(377,532)(378,533)(379,534)(380,535)(381,551)(382,552)(383,553)(384,554)
(385,555)(386,556)(387,557)(388,558)(389,559)(390,560)(391,541)(392,542)
(393,543)(394,544)(395,545)(396,546)(397,547)(398,548)(399,549)(400,550)
(401,561)(402,562)(403,563)(404,564)(405,565)(406,566)(407,567)(408,568)
(409,569)(410,570)(411,571)(412,572)(413,573)(414,574)(415,575)(416,576)
(417,577)(418,578)(419,579)(420,580)(421,596)(422,597)(423,598)(424,599)
(425,600)(426,591)(427,592)(428,593)(429,594)(430,595)(431,586)(432,587)
(433,588)(434,589)(435,590)(436,581)(437,582)(438,583)(439,584)(440,585)
(441,606)(442,607)(443,608)(444,609)(445,610)(446,601)(447,602)(448,603)
(449,604)(450,605)(451,616)(452,617)(453,618)(454,619)(455,620)(456,611)
(457,612)(458,613)(459,614)(460,615)(461,631)(462,632)(463,633)(464,634)
(465,635)(466,636)(467,637)(468,638)(469,639)(470,640)(471,621)(472,622)
(473,623)(474,624)(475,625)(476,626)(477,627)(478,628)(479,629)(480,630);;
poly := Group([s0,s1,s2,s3]);;
Finitely Presented Group Representation (GAP) : 
F := FreeGroup("s0","s1","s2","s3");;
s0 := F.1;;  s1 := F.2;;  s2 := F.3;;  s3 := F.4;;  
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s0*s2*s0*s2, 
s0*s3*s0*s3, s1*s3*s1*s3, s0*s1*s2*s1*s0*s1*s2*s1, 
s3*s1*s2*s3*s1*s2*s3*s2*s3*s2*s1*s2*s1*s2, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) : 
s0 := Sym(640)!(  1, 81)(  2, 85)(  3, 84)(  4, 83)(  5, 82)(  6, 86)(  7, 90)
(  8, 89)(  9, 88)( 10, 87)( 11, 91)( 12, 95)( 13, 94)( 14, 93)( 15, 92)
( 16, 96)( 17,100)( 18, 99)( 19, 98)( 20, 97)( 21,101)( 22,105)( 23,104)
( 24,103)( 25,102)( 26,106)( 27,110)( 28,109)( 29,108)( 30,107)( 31,111)
( 32,115)( 33,114)( 34,113)( 35,112)( 36,116)( 37,120)( 38,119)( 39,118)
( 40,117)( 41,121)( 42,125)( 43,124)( 44,123)( 45,122)( 46,126)( 47,130)
( 48,129)( 49,128)( 50,127)( 51,131)( 52,135)( 53,134)( 54,133)( 55,132)
( 56,136)( 57,140)( 58,139)( 59,138)( 60,137)( 61,141)( 62,145)( 63,144)
( 64,143)( 65,142)( 66,146)( 67,150)( 68,149)( 69,148)( 70,147)( 71,151)
( 72,155)( 73,154)( 74,153)( 75,152)( 76,156)( 77,160)( 78,159)( 79,158)
( 80,157)(161,241)(162,245)(163,244)(164,243)(165,242)(166,246)(167,250)
(168,249)(169,248)(170,247)(171,251)(172,255)(173,254)(174,253)(175,252)
(176,256)(177,260)(178,259)(179,258)(180,257)(181,261)(182,265)(183,264)
(184,263)(185,262)(186,266)(187,270)(188,269)(189,268)(190,267)(191,271)
(192,275)(193,274)(194,273)(195,272)(196,276)(197,280)(198,279)(199,278)
(200,277)(201,281)(202,285)(203,284)(204,283)(205,282)(206,286)(207,290)
(208,289)(209,288)(210,287)(211,291)(212,295)(213,294)(214,293)(215,292)
(216,296)(217,300)(218,299)(219,298)(220,297)(221,301)(222,305)(223,304)
(224,303)(225,302)(226,306)(227,310)(228,309)(229,308)(230,307)(231,311)
(232,315)(233,314)(234,313)(235,312)(236,316)(237,320)(238,319)(239,318)
(240,317)(321,401)(322,405)(323,404)(324,403)(325,402)(326,406)(327,410)
(328,409)(329,408)(330,407)(331,411)(332,415)(333,414)(334,413)(335,412)
(336,416)(337,420)(338,419)(339,418)(340,417)(341,421)(342,425)(343,424)
(344,423)(345,422)(346,426)(347,430)(348,429)(349,428)(350,427)(351,431)
(352,435)(353,434)(354,433)(355,432)(356,436)(357,440)(358,439)(359,438)
(360,437)(361,441)(362,445)(363,444)(364,443)(365,442)(366,446)(367,450)
(368,449)(369,448)(370,447)(371,451)(372,455)(373,454)(374,453)(375,452)
(376,456)(377,460)(378,459)(379,458)(380,457)(381,461)(382,465)(383,464)
(384,463)(385,462)(386,466)(387,470)(388,469)(389,468)(390,467)(391,471)
(392,475)(393,474)(394,473)(395,472)(396,476)(397,480)(398,479)(399,478)
(400,477)(481,561)(482,565)(483,564)(484,563)(485,562)(486,566)(487,570)
(488,569)(489,568)(490,567)(491,571)(492,575)(493,574)(494,573)(495,572)
(496,576)(497,580)(498,579)(499,578)(500,577)(501,581)(502,585)(503,584)
(504,583)(505,582)(506,586)(507,590)(508,589)(509,588)(510,587)(511,591)
(512,595)(513,594)(514,593)(515,592)(516,596)(517,600)(518,599)(519,598)
(520,597)(521,601)(522,605)(523,604)(524,603)(525,602)(526,606)(527,610)
(528,609)(529,608)(530,607)(531,611)(532,615)(533,614)(534,613)(535,612)
(536,616)(537,620)(538,619)(539,618)(540,617)(541,621)(542,625)(543,624)
(544,623)(545,622)(546,626)(547,630)(548,629)(549,628)(550,627)(551,631)
(552,635)(553,634)(554,633)(555,632)(556,636)(557,640)(558,639)(559,638)
(560,637);
s1 := Sym(640)!(  1,403)(  2,402)(  3,401)(  4,405)(  5,404)(  6,408)(  7,407)
(  8,406)(  9,410)( 10,409)( 11,413)( 12,412)( 13,411)( 14,415)( 15,414)
( 16,418)( 17,417)( 18,416)( 19,420)( 20,419)( 21,428)( 22,427)( 23,426)
( 24,430)( 25,429)( 26,423)( 27,422)( 28,421)( 29,425)( 30,424)( 31,438)
( 32,437)( 33,436)( 34,440)( 35,439)( 36,433)( 37,432)( 38,431)( 39,435)
( 40,434)( 41,453)( 42,452)( 43,451)( 44,455)( 45,454)( 46,458)( 47,457)
( 48,456)( 49,460)( 50,459)( 51,443)( 52,442)( 53,441)( 54,445)( 55,444)
( 56,448)( 57,447)( 58,446)( 59,450)( 60,449)( 61,478)( 62,477)( 63,476)
( 64,480)( 65,479)( 66,473)( 67,472)( 68,471)( 69,475)( 70,474)( 71,468)
( 72,467)( 73,466)( 74,470)( 75,469)( 76,463)( 77,462)( 78,461)( 79,465)
( 80,464)( 81,323)( 82,322)( 83,321)( 84,325)( 85,324)( 86,328)( 87,327)
( 88,326)( 89,330)( 90,329)( 91,333)( 92,332)( 93,331)( 94,335)( 95,334)
( 96,338)( 97,337)( 98,336)( 99,340)(100,339)(101,348)(102,347)(103,346)
(104,350)(105,349)(106,343)(107,342)(108,341)(109,345)(110,344)(111,358)
(112,357)(113,356)(114,360)(115,359)(116,353)(117,352)(118,351)(119,355)
(120,354)(121,373)(122,372)(123,371)(124,375)(125,374)(126,378)(127,377)
(128,376)(129,380)(130,379)(131,363)(132,362)(133,361)(134,365)(135,364)
(136,368)(137,367)(138,366)(139,370)(140,369)(141,398)(142,397)(143,396)
(144,400)(145,399)(146,393)(147,392)(148,391)(149,395)(150,394)(151,388)
(152,387)(153,386)(154,390)(155,389)(156,383)(157,382)(158,381)(159,385)
(160,384)(161,563)(162,562)(163,561)(164,565)(165,564)(166,568)(167,567)
(168,566)(169,570)(170,569)(171,573)(172,572)(173,571)(174,575)(175,574)
(176,578)(177,577)(178,576)(179,580)(180,579)(181,588)(182,587)(183,586)
(184,590)(185,589)(186,583)(187,582)(188,581)(189,585)(190,584)(191,598)
(192,597)(193,596)(194,600)(195,599)(196,593)(197,592)(198,591)(199,595)
(200,594)(201,613)(202,612)(203,611)(204,615)(205,614)(206,618)(207,617)
(208,616)(209,620)(210,619)(211,603)(212,602)(213,601)(214,605)(215,604)
(216,608)(217,607)(218,606)(219,610)(220,609)(221,638)(222,637)(223,636)
(224,640)(225,639)(226,633)(227,632)(228,631)(229,635)(230,634)(231,628)
(232,627)(233,626)(234,630)(235,629)(236,623)(237,622)(238,621)(239,625)
(240,624)(241,483)(242,482)(243,481)(244,485)(245,484)(246,488)(247,487)
(248,486)(249,490)(250,489)(251,493)(252,492)(253,491)(254,495)(255,494)
(256,498)(257,497)(258,496)(259,500)(260,499)(261,508)(262,507)(263,506)
(264,510)(265,509)(266,503)(267,502)(268,501)(269,505)(270,504)(271,518)
(272,517)(273,516)(274,520)(275,519)(276,513)(277,512)(278,511)(279,515)
(280,514)(281,533)(282,532)(283,531)(284,535)(285,534)(286,538)(287,537)
(288,536)(289,540)(290,539)(291,523)(292,522)(293,521)(294,525)(295,524)
(296,528)(297,527)(298,526)(299,530)(300,529)(301,558)(302,557)(303,556)
(304,560)(305,559)(306,553)(307,552)(308,551)(309,555)(310,554)(311,548)
(312,547)(313,546)(314,550)(315,549)(316,543)(317,542)(318,541)(319,545)
(320,544);
s2 := Sym(640)!( 21, 36)( 22, 37)( 23, 38)( 24, 39)( 25, 40)( 26, 31)( 27, 32)
( 28, 33)( 29, 34)( 30, 35)( 41, 51)( 42, 52)( 43, 53)( 44, 54)( 45, 55)
( 46, 56)( 47, 57)( 48, 58)( 49, 59)( 50, 60)( 61, 66)( 62, 67)( 63, 68)
( 64, 69)( 65, 70)( 71, 76)( 72, 77)( 73, 78)( 74, 79)( 75, 80)(101,116)
(102,117)(103,118)(104,119)(105,120)(106,111)(107,112)(108,113)(109,114)
(110,115)(121,131)(122,132)(123,133)(124,134)(125,135)(126,136)(127,137)
(128,138)(129,139)(130,140)(141,146)(142,147)(143,148)(144,149)(145,150)
(151,156)(152,157)(153,158)(154,159)(155,160)(161,181)(162,182)(163,183)
(164,184)(165,185)(166,186)(167,187)(168,188)(169,189)(170,190)(171,191)
(172,192)(173,193)(174,194)(175,195)(176,196)(177,197)(178,198)(179,199)
(180,200)(201,231)(202,232)(203,233)(204,234)(205,235)(206,236)(207,237)
(208,238)(209,239)(210,240)(211,221)(212,222)(213,223)(214,224)(215,225)
(216,226)(217,227)(218,228)(219,229)(220,230)(241,261)(242,262)(243,263)
(244,264)(245,265)(246,266)(247,267)(248,268)(249,269)(250,270)(251,271)
(252,272)(253,273)(254,274)(255,275)(256,276)(257,277)(258,278)(259,279)
(260,280)(281,311)(282,312)(283,313)(284,314)(285,315)(286,316)(287,317)
(288,318)(289,319)(290,320)(291,301)(292,302)(293,303)(294,304)(295,305)
(296,306)(297,307)(298,308)(299,309)(300,310)(321,361)(322,362)(323,363)
(324,364)(325,365)(326,366)(327,367)(328,368)(329,369)(330,370)(331,371)
(332,372)(333,373)(334,374)(335,375)(336,376)(337,377)(338,378)(339,379)
(340,380)(341,396)(342,397)(343,398)(344,399)(345,400)(346,391)(347,392)
(348,393)(349,394)(350,395)(351,386)(352,387)(353,388)(354,389)(355,390)
(356,381)(357,382)(358,383)(359,384)(360,385)(401,441)(402,442)(403,443)
(404,444)(405,445)(406,446)(407,447)(408,448)(409,449)(410,450)(411,451)
(412,452)(413,453)(414,454)(415,455)(416,456)(417,457)(418,458)(419,459)
(420,460)(421,476)(422,477)(423,478)(424,479)(425,480)(426,471)(427,472)
(428,473)(429,474)(430,475)(431,466)(432,467)(433,468)(434,469)(435,470)
(436,461)(437,462)(438,463)(439,464)(440,465)(481,546)(482,547)(483,548)
(484,549)(485,550)(486,541)(487,542)(488,543)(489,544)(490,545)(491,556)
(492,557)(493,558)(494,559)(495,560)(496,551)(497,552)(498,553)(499,554)
(500,555)(501,526)(502,527)(503,528)(504,529)(505,530)(506,521)(507,522)
(508,523)(509,524)(510,525)(511,536)(512,537)(513,538)(514,539)(515,540)
(516,531)(517,532)(518,533)(519,534)(520,535)(561,626)(562,627)(563,628)
(564,629)(565,630)(566,621)(567,622)(568,623)(569,624)(570,625)(571,636)
(572,637)(573,638)(574,639)(575,640)(576,631)(577,632)(578,633)(579,634)
(580,635)(581,606)(582,607)(583,608)(584,609)(585,610)(586,601)(587,602)
(588,603)(589,604)(590,605)(591,616)(592,617)(593,618)(594,619)(595,620)
(596,611)(597,612)(598,613)(599,614)(600,615);
s3 := Sym(640)!(  1,161)(  2,162)(  3,163)(  4,164)(  5,165)(  6,166)(  7,167)
(  8,168)(  9,169)( 10,170)( 11,171)( 12,172)( 13,173)( 14,174)( 15,175)
( 16,176)( 17,177)( 18,178)( 19,179)( 20,180)( 21,196)( 22,197)( 23,198)
( 24,199)( 25,200)( 26,191)( 27,192)( 28,193)( 29,194)( 30,195)( 31,186)
( 32,187)( 33,188)( 34,189)( 35,190)( 36,181)( 37,182)( 38,183)( 39,184)
( 40,185)( 41,206)( 42,207)( 43,208)( 44,209)( 45,210)( 46,201)( 47,202)
( 48,203)( 49,204)( 50,205)( 51,216)( 52,217)( 53,218)( 54,219)( 55,220)
( 56,211)( 57,212)( 58,213)( 59,214)( 60,215)( 61,231)( 62,232)( 63,233)
( 64,234)( 65,235)( 66,236)( 67,237)( 68,238)( 69,239)( 70,240)( 71,221)
( 72,222)( 73,223)( 74,224)( 75,225)( 76,226)( 77,227)( 78,228)( 79,229)
( 80,230)( 81,241)( 82,242)( 83,243)( 84,244)( 85,245)( 86,246)( 87,247)
( 88,248)( 89,249)( 90,250)( 91,251)( 92,252)( 93,253)( 94,254)( 95,255)
( 96,256)( 97,257)( 98,258)( 99,259)(100,260)(101,276)(102,277)(103,278)
(104,279)(105,280)(106,271)(107,272)(108,273)(109,274)(110,275)(111,266)
(112,267)(113,268)(114,269)(115,270)(116,261)(117,262)(118,263)(119,264)
(120,265)(121,286)(122,287)(123,288)(124,289)(125,290)(126,281)(127,282)
(128,283)(129,284)(130,285)(131,296)(132,297)(133,298)(134,299)(135,300)
(136,291)(137,292)(138,293)(139,294)(140,295)(141,311)(142,312)(143,313)
(144,314)(145,315)(146,316)(147,317)(148,318)(149,319)(150,320)(151,301)
(152,302)(153,303)(154,304)(155,305)(156,306)(157,307)(158,308)(159,309)
(160,310)(321,481)(322,482)(323,483)(324,484)(325,485)(326,486)(327,487)
(328,488)(329,489)(330,490)(331,491)(332,492)(333,493)(334,494)(335,495)
(336,496)(337,497)(338,498)(339,499)(340,500)(341,516)(342,517)(343,518)
(344,519)(345,520)(346,511)(347,512)(348,513)(349,514)(350,515)(351,506)
(352,507)(353,508)(354,509)(355,510)(356,501)(357,502)(358,503)(359,504)
(360,505)(361,526)(362,527)(363,528)(364,529)(365,530)(366,521)(367,522)
(368,523)(369,524)(370,525)(371,536)(372,537)(373,538)(374,539)(375,540)
(376,531)(377,532)(378,533)(379,534)(380,535)(381,551)(382,552)(383,553)
(384,554)(385,555)(386,556)(387,557)(388,558)(389,559)(390,560)(391,541)
(392,542)(393,543)(394,544)(395,545)(396,546)(397,547)(398,548)(399,549)
(400,550)(401,561)(402,562)(403,563)(404,564)(405,565)(406,566)(407,567)
(408,568)(409,569)(410,570)(411,571)(412,572)(413,573)(414,574)(415,575)
(416,576)(417,577)(418,578)(419,579)(420,580)(421,596)(422,597)(423,598)
(424,599)(425,600)(426,591)(427,592)(428,593)(429,594)(430,595)(431,586)
(432,587)(433,588)(434,589)(435,590)(436,581)(437,582)(438,583)(439,584)
(440,585)(441,606)(442,607)(443,608)(444,609)(445,610)(446,601)(447,602)
(448,603)(449,604)(450,605)(451,616)(452,617)(453,618)(454,619)(455,620)
(456,611)(457,612)(458,613)(459,614)(460,615)(461,631)(462,632)(463,633)
(464,634)(465,635)(466,636)(467,637)(468,638)(469,639)(470,640)(471,621)
(472,622)(473,623)(474,624)(475,625)(476,626)(477,627)(478,628)(479,629)
(480,630);
poly := sub<Sym(640)|s0,s1,s2,s3>;
Finitely Presented Group Representation (Magma) : 
poly<s0,s1,s2,s3> := Group< s0,s1,s2,s3 | s0*s0, s1*s1, s2*s2, 
s3*s3, s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3, 
s0*s1*s2*s1*s0*s1*s2*s1, s3*s1*s2*s3*s1*s2*s3*s2*s3*s2*s1*s2*s1*s2, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 >;
References : None.
to this polytope