Polytope of Type {4,120,2}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {4,120,2}*1920b
if this polytope has a name.
Group : SmallGroup(1920,150669)
Rank : 4
Schlafli Type : {4,120,2}
Number of vertices, edges, etc : 4, 240, 120, 2
Order of s₀s₁s₂s₃ : 120
Order of s₀s₁s₂s₃s₂s₁ : 2
Special Properties :
   Degenerate
   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 : {4,60,2}*960a
   3-fold quotients : {4,40,2}*640b
   4-fold quotients : {2,60,2}*480, {4,30,2}*480a
   5-fold quotients : {4,24,2}*384b
   6-fold quotients : {4,20,2}*320
   8-fold quotients : {2,30,2}*240
   10-fold quotients : {4,12,2}*192a
   12-fold quotients : {2,20,2}*160, {4,10,2}*160
   15-fold quotients : {4,8,2}*128b
   16-fold quotients : {2,15,2}*120
   20-fold quotients : {2,12,2}*96, {4,6,2}*96a
   24-fold quotients : {2,10,2}*80
   30-fold quotients : {4,4,2}*64
   40-fold quotients : {2,6,2}*48
   48-fold quotients : {2,5,2}*40
   60-fold quotients : {2,4,2}*32, {4,2,2}*32
   80-fold quotients : {2,3,2}*24
   120-fold quotients : {2,2,2}*16
Covers (Minimal Covers in Boldface) :
   None in this atlas.
Permutation Representation (GAP) :

s0 := ( 61, 76)( 62, 77)( 63, 78)( 64, 79)( 65, 80)( 66, 81)( 67, 82)( 68, 83)
( 69, 84)( 70, 85)( 71, 86)( 72, 87)( 73, 88)( 74, 89)( 75, 90)( 91,106)
( 92,107)( 93,108)( 94,109)( 95,110)( 96,111)( 97,112)( 98,113)( 99,114)
(100,115)(101,116)(102,117)(103,118)(104,119)(105,120)(121,151)(122,152)
(123,153)(124,154)(125,155)(126,156)(127,157)(128,158)(129,159)(130,160)
(131,161)(132,162)(133,163)(134,164)(135,165)(136,166)(137,167)(138,168)
(139,169)(140,170)(141,171)(142,172)(143,173)(144,174)(145,175)(146,176)
(147,177)(148,178)(149,179)(150,180)(181,226)(182,227)(183,228)(184,229)
(185,230)(186,231)(187,232)(188,233)(189,234)(190,235)(191,236)(192,237)
(193,238)(194,239)(195,240)(196,211)(197,212)(198,213)(199,214)(200,215)
(201,216)(202,217)(203,218)(204,219)(205,220)(206,221)(207,222)(208,223)
(209,224)(210,225);;
s1 := (  1,121)(  2,125)(  3,124)(  4,123)(  5,122)(  6,131)(  7,135)(  8,134)
(  9,133)( 10,132)( 11,126)( 12,130)( 13,129)( 14,128)( 15,127)( 16,136)
( 17,140)( 18,139)( 19,138)( 20,137)( 21,146)( 22,150)( 23,149)( 24,148)
( 25,147)( 26,141)( 27,145)( 28,144)( 29,143)( 30,142)( 31,151)( 32,155)
( 33,154)( 34,153)( 35,152)( 36,161)( 37,165)( 38,164)( 39,163)( 40,162)
( 41,156)( 42,160)( 43,159)( 44,158)( 45,157)( 46,166)( 47,170)( 48,169)
( 49,168)( 50,167)( 51,176)( 52,180)( 53,179)( 54,178)( 55,177)( 56,171)
( 57,175)( 58,174)( 59,173)( 60,172)( 61,196)( 62,200)( 63,199)( 64,198)
( 65,197)( 66,206)( 67,210)( 68,209)( 69,208)( 70,207)( 71,201)( 72,205)
( 73,204)( 74,203)( 75,202)( 76,181)( 77,185)( 78,184)( 79,183)( 80,182)
( 81,191)( 82,195)( 83,194)( 84,193)( 85,192)( 86,186)( 87,190)( 88,189)
( 89,188)( 90,187)( 91,226)( 92,230)( 93,229)( 94,228)( 95,227)( 96,236)
( 97,240)( 98,239)( 99,238)(100,237)(101,231)(102,235)(103,234)(104,233)
(105,232)(106,211)(107,215)(108,214)(109,213)(110,212)(111,221)(112,225)
(113,224)(114,223)(115,222)(116,216)(117,220)(118,219)(119,218)(120,217);;
s2 := (  1,  7)(  2,  6)(  3, 10)(  4,  9)(  5,  8)( 11, 12)( 13, 15)( 16, 22)
( 17, 21)( 18, 25)( 19, 24)( 20, 23)( 26, 27)( 28, 30)( 31, 52)( 32, 51)
( 33, 55)( 34, 54)( 35, 53)( 36, 47)( 37, 46)( 38, 50)( 39, 49)( 40, 48)
( 41, 57)( 42, 56)( 43, 60)( 44, 59)( 45, 58)( 61, 82)( 62, 81)( 63, 85)
( 64, 84)( 65, 83)( 66, 77)( 67, 76)( 68, 80)( 69, 79)( 70, 78)( 71, 87)
( 72, 86)( 73, 90)( 74, 89)( 75, 88)( 91, 97)( 92, 96)( 93,100)( 94, 99)
( 95, 98)(101,102)(103,105)(106,112)(107,111)(108,115)(109,114)(110,113)
(116,117)(118,120)(121,187)(122,186)(123,190)(124,189)(125,188)(126,182)
(127,181)(128,185)(129,184)(130,183)(131,192)(132,191)(133,195)(134,194)
(135,193)(136,202)(137,201)(138,205)(139,204)(140,203)(141,197)(142,196)
(143,200)(144,199)(145,198)(146,207)(147,206)(148,210)(149,209)(150,208)
(151,232)(152,231)(153,235)(154,234)(155,233)(156,227)(157,226)(158,230)
(159,229)(160,228)(161,237)(162,236)(163,240)(164,239)(165,238)(166,217)
(167,216)(168,220)(169,219)(170,218)(171,212)(172,211)(173,215)(174,214)
(175,213)(176,222)(177,221)(178,225)(179,224)(180,223);;
s3 := (241,242);;
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, s2*s3*s2*s3, 
s0*s1*s0*s1*s0*s1*s0*s1, s2*s0*s1*s2*s1*s0*s1*s0*s2*s1*s2*s1*s0*s1, 
s0*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s0*s1*s2*s1 ];;
poly := F / rels;;

Permutation Representation (Magma) :

s0 := Sym(242)!( 61, 76)( 62, 77)( 63, 78)( 64, 79)( 65, 80)( 66, 81)( 67, 82)
( 68, 83)( 69, 84)( 70, 85)( 71, 86)( 72, 87)( 73, 88)( 74, 89)( 75, 90)
( 91,106)( 92,107)( 93,108)( 94,109)( 95,110)( 96,111)( 97,112)( 98,113)
( 99,114)(100,115)(101,116)(102,117)(103,118)(104,119)(105,120)(121,151)
(122,152)(123,153)(124,154)(125,155)(126,156)(127,157)(128,158)(129,159)
(130,160)(131,161)(132,162)(133,163)(134,164)(135,165)(136,166)(137,167)
(138,168)(139,169)(140,170)(141,171)(142,172)(143,173)(144,174)(145,175)
(146,176)(147,177)(148,178)(149,179)(150,180)(181,226)(182,227)(183,228)
(184,229)(185,230)(186,231)(187,232)(188,233)(189,234)(190,235)(191,236)
(192,237)(193,238)(194,239)(195,240)(196,211)(197,212)(198,213)(199,214)
(200,215)(201,216)(202,217)(203,218)(204,219)(205,220)(206,221)(207,222)
(208,223)(209,224)(210,225);
s1 := Sym(242)!(  1,121)(  2,125)(  3,124)(  4,123)(  5,122)(  6,131)(  7,135)
(  8,134)(  9,133)( 10,132)( 11,126)( 12,130)( 13,129)( 14,128)( 15,127)
( 16,136)( 17,140)( 18,139)( 19,138)( 20,137)( 21,146)( 22,150)( 23,149)
( 24,148)( 25,147)( 26,141)( 27,145)( 28,144)( 29,143)( 30,142)( 31,151)
( 32,155)( 33,154)( 34,153)( 35,152)( 36,161)( 37,165)( 38,164)( 39,163)
( 40,162)( 41,156)( 42,160)( 43,159)( 44,158)( 45,157)( 46,166)( 47,170)
( 48,169)( 49,168)( 50,167)( 51,176)( 52,180)( 53,179)( 54,178)( 55,177)
( 56,171)( 57,175)( 58,174)( 59,173)( 60,172)( 61,196)( 62,200)( 63,199)
( 64,198)( 65,197)( 66,206)( 67,210)( 68,209)( 69,208)( 70,207)( 71,201)
( 72,205)( 73,204)( 74,203)( 75,202)( 76,181)( 77,185)( 78,184)( 79,183)
( 80,182)( 81,191)( 82,195)( 83,194)( 84,193)( 85,192)( 86,186)( 87,190)
( 88,189)( 89,188)( 90,187)( 91,226)( 92,230)( 93,229)( 94,228)( 95,227)
( 96,236)( 97,240)( 98,239)( 99,238)(100,237)(101,231)(102,235)(103,234)
(104,233)(105,232)(106,211)(107,215)(108,214)(109,213)(110,212)(111,221)
(112,225)(113,224)(114,223)(115,222)(116,216)(117,220)(118,219)(119,218)
(120,217);
s2 := Sym(242)!(  1,  7)(  2,  6)(  3, 10)(  4,  9)(  5,  8)( 11, 12)( 13, 15)
( 16, 22)( 17, 21)( 18, 25)( 19, 24)( 20, 23)( 26, 27)( 28, 30)( 31, 52)
( 32, 51)( 33, 55)( 34, 54)( 35, 53)( 36, 47)( 37, 46)( 38, 50)( 39, 49)
( 40, 48)( 41, 57)( 42, 56)( 43, 60)( 44, 59)( 45, 58)( 61, 82)( 62, 81)
( 63, 85)( 64, 84)( 65, 83)( 66, 77)( 67, 76)( 68, 80)( 69, 79)( 70, 78)
( 71, 87)( 72, 86)( 73, 90)( 74, 89)( 75, 88)( 91, 97)( 92, 96)( 93,100)
( 94, 99)( 95, 98)(101,102)(103,105)(106,112)(107,111)(108,115)(109,114)
(110,113)(116,117)(118,120)(121,187)(122,186)(123,190)(124,189)(125,188)
(126,182)(127,181)(128,185)(129,184)(130,183)(131,192)(132,191)(133,195)
(134,194)(135,193)(136,202)(137,201)(138,205)(139,204)(140,203)(141,197)
(142,196)(143,200)(144,199)(145,198)(146,207)(147,206)(148,210)(149,209)
(150,208)(151,232)(152,231)(153,235)(154,234)(155,233)(156,227)(157,226)
(158,230)(159,229)(160,228)(161,237)(162,236)(163,240)(164,239)(165,238)
(166,217)(167,216)(168,220)(169,219)(170,218)(171,212)(172,211)(173,215)
(174,214)(175,213)(176,222)(177,221)(178,225)(179,224)(180,223);
s3 := Sym(242)!(241,242);
poly := sub<Sym(242)|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, 
s2*s3*s2*s3, s0*s1*s0*s1*s0*s1*s0*s1, 
s2*s0*s1*s2*s1*s0*s1*s0*s2*s1*s2*s1*s0*s1, 
s0*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s0*s1*s2*s1 >;

to this polytope