Part of the Atlas of Small Regular Polytopes

Polytope of Type {2,5,20}

Atlas Canonical Name {2,5,20}*1280b

Overview

Group
SmallGroup(1280,1116454)
Rank
4
Schläfli Type
{2,5,20}
Vertices, edges, …
2, 16, 160, 64
Order of s0s1s2s3
4
Order of s0s1s2s3s2s1
2
Also known as
if this polytope has a name.

Special Properties

  • Degenerate
  • Universal
  • Orientable
  • Flat

Quotients maximal quotients in bold

2-fold

4-fold

Covers minimal covers in bold

None in this atlas.

Representations

Permutation Representation (GAP) 
s0 := (1,2);;
s1 := (  5, 30)(  6, 29)(  7, 17)(  8, 18)(  9, 23)( 10, 24)( 11, 20)( 12, 19)( 13, 14)( 15, 34)( 16, 33)( 25, 31)( 26, 32)( 27, 28)( 35,131)( 36,132)( 37,158)( 38,157)( 39,145)( 40,146)( 41,151)( 42,152)( 43,148)( 44,147)( 45,142)( 46,141)( 47,162)( 48,161)( 49,135)( 50,136)( 51,140)( 52,139)( 53,149)( 54,150)( 55,137)( 56,138)( 57,159)( 58,160)( 59,156)( 60,155)( 61,134)( 62,133)( 63,153)( 64,154)( 65,144)( 66,143)( 67, 99)( 68,100)( 69,126)( 70,125)( 71,113)( 72,114)( 73,119)( 74,120)( 75,116)( 76,115)( 77,110)( 78,109)( 79,130)( 80,129)( 81,103)( 82,104)( 83,108)( 84,107)( 85,117)( 86,118)( 87,105)( 88,106)( 89,127)( 90,128)( 91,124)( 92,123)( 93,102)( 94,101)( 95,121)( 96,122)( 97,112)( 98,111)(163,164)(165,189)(166,190)(167,178)(168,177)(169,184)(170,183)(171,179)(172,180)(175,193)(176,194)(181,182)(185,192)(186,191)(195,292)(196,291)(197,317)(198,318)(199,306)(200,305)(201,312)(202,311)(203,307)(204,308)(205,301)(206,302)(207,321)(208,322)(209,296)(210,295)(211,299)(212,300)(213,310)(214,309)(215,298)(216,297)(217,320)(218,319)(219,315)(220,316)(221,293)(222,294)(223,314)(224,313)(225,303)(226,304)(227,260)(228,259)(229,285)(230,286)(231,274)(232,273)(233,280)(234,279)(235,275)(236,276)(237,269)(238,270)(239,289)(240,290)(241,264)(242,263)(243,267)(244,268)(245,278)(246,277)(247,266)(248,265)(249,288)(250,287)(251,283)(252,284)(253,261)(254,262)(255,282)(256,281)(257,271)(258,272);;
s2 := (  3, 35)(  4, 36)(  5, 57)(  6, 58)(  7, 59)(  8, 60)(  9, 49)( 10, 50)( 11, 44)( 12, 43)( 13, 65)( 14, 66)( 15, 52)( 16, 51)( 17, 41)( 18, 42)( 19, 48)( 20, 47)( 21, 61)( 22, 62)( 23, 56)( 24, 55)( 25, 37)( 26, 38)( 27, 39)( 28, 40)( 29, 53)( 30, 54)( 31, 63)( 32, 64)( 33, 45)( 34, 46)( 67,131)( 68,132)( 69,153)( 70,154)( 71,155)( 72,156)( 73,145)( 74,146)( 75,140)( 76,139)( 77,161)( 78,162)( 79,148)( 80,147)( 81,137)( 82,138)( 83,144)( 84,143)( 85,157)( 86,158)( 87,152)( 88,151)( 89,133)( 90,134)( 91,135)( 92,136)( 93,149)( 94,150)( 95,159)( 96,160)( 97,141)( 98,142)(101,121)(102,122)(103,123)(104,124)(105,113)(106,114)(107,108)(109,129)(110,130)(111,116)(112,115)(117,125)(118,126)(119,120)(163,196)(164,195)(165,218)(166,217)(167,220)(168,219)(169,210)(170,209)(171,203)(172,204)(173,226)(174,225)(175,211)(176,212)(177,202)(178,201)(179,207)(180,208)(181,222)(182,221)(183,215)(184,216)(185,198)(186,197)(187,200)(188,199)(189,214)(190,213)(191,224)(192,223)(193,206)(194,205)(227,292)(228,291)(229,314)(230,313)(231,316)(232,315)(233,306)(234,305)(235,299)(236,300)(237,322)(238,321)(239,307)(240,308)(241,298)(242,297)(243,303)(244,304)(245,318)(246,317)(247,311)(248,312)(249,294)(250,293)(251,296)(252,295)(253,310)(254,309)(255,320)(256,319)(257,302)(258,301)(259,260)(261,282)(262,281)(263,284)(264,283)(265,274)(266,273)(269,290)(270,289)(271,275)(272,276)(277,286)(278,285)(287,288);;
s3 := (  3,187)(  4,188)(  5,166)(  6,165)(  7,186)(  8,185)(  9,176)( 10,175)( 11,171)( 12,172)( 13,181)( 14,182)( 15,170)( 16,169)( 17,191)( 18,192)( 19,180)( 20,179)( 21,173)( 22,174)( 23,194)( 24,193)( 25,168)( 26,167)( 27,163)( 28,164)( 29,189)( 30,190)( 31,177)( 32,178)( 33,184)( 34,183)( 35,315)( 36,316)( 37,294)( 38,293)( 39,314)( 40,313)( 41,304)( 42,303)( 43,299)( 44,300)( 45,309)( 46,310)( 47,298)( 48,297)( 49,319)( 50,320)( 51,308)( 52,307)( 53,301)( 54,302)( 55,322)( 56,321)( 57,296)( 58,295)( 59,291)( 60,292)( 61,317)( 62,318)( 63,305)( 64,306)( 65,312)( 66,311)( 67,283)( 68,284)( 69,262)( 70,261)( 71,282)( 72,281)( 73,272)( 74,271)( 75,267)( 76,268)( 77,277)( 78,278)( 79,266)( 80,265)( 81,287)( 82,288)( 83,276)( 84,275)( 85,269)( 86,270)( 87,290)( 88,289)( 89,264)( 90,263)( 91,259)( 92,260)( 93,285)( 94,286)( 95,273)( 96,274)( 97,280)( 98,279)( 99,251)(100,252)(101,230)(102,229)(103,250)(104,249)(105,240)(106,239)(107,235)(108,236)(109,245)(110,246)(111,234)(112,233)(113,255)(114,256)(115,244)(116,243)(117,237)(118,238)(119,258)(120,257)(121,232)(122,231)(123,227)(124,228)(125,253)(126,254)(127,241)(128,242)(129,248)(130,247)(131,219)(132,220)(133,198)(134,197)(135,218)(136,217)(137,208)(138,207)(139,203)(140,204)(141,213)(142,214)(143,202)(144,201)(145,223)(146,224)(147,212)(148,211)(149,205)(150,206)(151,226)(152,225)(153,200)(154,199)(155,195)(156,196)(157,221)(158,222)(159,209)(160,210)(161,216)(162,215);;
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*s1*s0*s1, 
s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2, 
s1*s2*s3*s2*s1*s2*s3*s2*s3*s2*s1*s2*s3*s2*s1*s2*s3*s2*s3*s2 ];;
poly := F / rels;;
Permutation Representation (Magma) 
s0 := Sym(322)!(1,2);
s1 := Sym(322)!(  5, 30)(  6, 29)(  7, 17)(  8, 18)(  9, 23)( 10, 24)( 11, 20)( 12, 19)( 13, 14)( 15, 34)( 16, 33)( 25, 31)( 26, 32)( 27, 28)( 35,131)( 36,132)( 37,158)( 38,157)( 39,145)( 40,146)( 41,151)( 42,152)( 43,148)( 44,147)( 45,142)( 46,141)( 47,162)( 48,161)( 49,135)( 50,136)( 51,140)( 52,139)( 53,149)( 54,150)( 55,137)( 56,138)( 57,159)( 58,160)( 59,156)( 60,155)( 61,134)( 62,133)( 63,153)( 64,154)( 65,144)( 66,143)( 67, 99)( 68,100)( 69,126)( 70,125)( 71,113)( 72,114)( 73,119)( 74,120)( 75,116)( 76,115)( 77,110)( 78,109)( 79,130)( 80,129)( 81,103)( 82,104)( 83,108)( 84,107)( 85,117)( 86,118)( 87,105)( 88,106)( 89,127)( 90,128)( 91,124)( 92,123)( 93,102)( 94,101)( 95,121)( 96,122)( 97,112)( 98,111)(163,164)(165,189)(166,190)(167,178)(168,177)(169,184)(170,183)(171,179)(172,180)(175,193)(176,194)(181,182)(185,192)(186,191)(195,292)(196,291)(197,317)(198,318)(199,306)(200,305)(201,312)(202,311)(203,307)(204,308)(205,301)(206,302)(207,321)(208,322)(209,296)(210,295)(211,299)(212,300)(213,310)(214,309)(215,298)(216,297)(217,320)(218,319)(219,315)(220,316)(221,293)(222,294)(223,314)(224,313)(225,303)(226,304)(227,260)(228,259)(229,285)(230,286)(231,274)(232,273)(233,280)(234,279)(235,275)(236,276)(237,269)(238,270)(239,289)(240,290)(241,264)(242,263)(243,267)(244,268)(245,278)(246,277)(247,266)(248,265)(249,288)(250,287)(251,283)(252,284)(253,261)(254,262)(255,282)(256,281)(257,271)(258,272);
s2 := Sym(322)!(  3, 35)(  4, 36)(  5, 57)(  6, 58)(  7, 59)(  8, 60)(  9, 49)( 10, 50)( 11, 44)( 12, 43)( 13, 65)( 14, 66)( 15, 52)( 16, 51)( 17, 41)( 18, 42)( 19, 48)( 20, 47)( 21, 61)( 22, 62)( 23, 56)( 24, 55)( 25, 37)( 26, 38)( 27, 39)( 28, 40)( 29, 53)( 30, 54)( 31, 63)( 32, 64)( 33, 45)( 34, 46)( 67,131)( 68,132)( 69,153)( 70,154)( 71,155)( 72,156)( 73,145)( 74,146)( 75,140)( 76,139)( 77,161)( 78,162)( 79,148)( 80,147)( 81,137)( 82,138)( 83,144)( 84,143)( 85,157)( 86,158)( 87,152)( 88,151)( 89,133)( 90,134)( 91,135)( 92,136)( 93,149)( 94,150)( 95,159)( 96,160)( 97,141)( 98,142)(101,121)(102,122)(103,123)(104,124)(105,113)(106,114)(107,108)(109,129)(110,130)(111,116)(112,115)(117,125)(118,126)(119,120)(163,196)(164,195)(165,218)(166,217)(167,220)(168,219)(169,210)(170,209)(171,203)(172,204)(173,226)(174,225)(175,211)(176,212)(177,202)(178,201)(179,207)(180,208)(181,222)(182,221)(183,215)(184,216)(185,198)(186,197)(187,200)(188,199)(189,214)(190,213)(191,224)(192,223)(193,206)(194,205)(227,292)(228,291)(229,314)(230,313)(231,316)(232,315)(233,306)(234,305)(235,299)(236,300)(237,322)(238,321)(239,307)(240,308)(241,298)(242,297)(243,303)(244,304)(245,318)(246,317)(247,311)(248,312)(249,294)(250,293)(251,296)(252,295)(253,310)(254,309)(255,320)(256,319)(257,302)(258,301)(259,260)(261,282)(262,281)(263,284)(264,283)(265,274)(266,273)(269,290)(270,289)(271,275)(272,276)(277,286)(278,285)(287,288);
s3 := Sym(322)!(  3,187)(  4,188)(  5,166)(  6,165)(  7,186)(  8,185)(  9,176)( 10,175)( 11,171)( 12,172)( 13,181)( 14,182)( 15,170)( 16,169)( 17,191)( 18,192)( 19,180)( 20,179)( 21,173)( 22,174)( 23,194)( 24,193)( 25,168)( 26,167)( 27,163)( 28,164)( 29,189)( 30,190)( 31,177)( 32,178)( 33,184)( 34,183)( 35,315)( 36,316)( 37,294)( 38,293)( 39,314)( 40,313)( 41,304)( 42,303)( 43,299)( 44,300)( 45,309)( 46,310)( 47,298)( 48,297)( 49,319)( 50,320)( 51,308)( 52,307)( 53,301)( 54,302)( 55,322)( 56,321)( 57,296)( 58,295)( 59,291)( 60,292)( 61,317)( 62,318)( 63,305)( 64,306)( 65,312)( 66,311)( 67,283)( 68,284)( 69,262)( 70,261)( 71,282)( 72,281)( 73,272)( 74,271)( 75,267)( 76,268)( 77,277)( 78,278)( 79,266)( 80,265)( 81,287)( 82,288)( 83,276)( 84,275)( 85,269)( 86,270)( 87,290)( 88,289)( 89,264)( 90,263)( 91,259)( 92,260)( 93,285)( 94,286)( 95,273)( 96,274)( 97,280)( 98,279)( 99,251)(100,252)(101,230)(102,229)(103,250)(104,249)(105,240)(106,239)(107,235)(108,236)(109,245)(110,246)(111,234)(112,233)(113,255)(114,256)(115,244)(116,243)(117,237)(118,238)(119,258)(120,257)(121,232)(122,231)(123,227)(124,228)(125,253)(126,254)(127,241)(128,242)(129,248)(130,247)(131,219)(132,220)(133,198)(134,197)(135,218)(136,217)(137,208)(138,207)(139,203)(140,204)(141,213)(142,214)(143,202)(144,201)(145,223)(146,224)(147,212)(148,211)(149,205)(150,206)(151,226)(152,225)(153,200)(154,199)(155,195)(156,196)(157,221)(158,222)(159,209)(160,210)(161,216)(162,215);
poly := sub<Sym(322)|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*s1*s0*s1, s0*s2*s0*s2, s0*s3*s0*s3, 
s1*s3*s1*s3, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2, 
s1*s2*s3*s2*s1*s2*s3*s2*s3*s2*s1*s2*s3*s2*s1*s2*s3*s2*s3*s2 >;