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Polytope of Type {2,30,4}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,30,4}*960
if this polytope has a name.
Group : SmallGroup(960,11379)
Rank : 4
Schlafli Type : {2,30,4}
Number of vertices, edges, etc : 2, 60, 120, 8
Order of s0s1s2s3 : 30
Order of s0s1s2s3s2s1 : 2
Special Properties :
   Degenerate
   Universal
   Orientable
   Flat
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   {2,30,4,2} of size 1920
Vertex Figure Of :
   {2,2,30,4} of size 1920
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {2,15,4}*480, {2,30,4}*480b, {2,30,4}*480c
   4-fold quotients : {2,15,4}*240, {2,30,2}*240
   5-fold quotients : {2,6,4}*192
   8-fold quotients : {2,15,2}*120
   10-fold quotients : {2,3,4}*96, {2,6,4}*96b, {2,6,4}*96c
   12-fold quotients : {2,10,2}*80
   20-fold quotients : {2,3,4}*48, {2,6,2}*48
   24-fold quotients : {2,5,2}*40
   40-fold quotients : {2,3,2}*24
   60-fold quotients : {2,2,2}*16
Covers (Minimal Covers in Boldface) :
   2-fold covers : {2,60,4}*1920b, {4,30,4}*1920a, {2,30,4}*1920b, {2,60,4}*1920c, {2,30,8}*1920b, {2,30,8}*1920c
Permutation Representation (GAP) :
s0 := (1,2);;
s1 := (  4,  5)(  7, 19)(  8, 21)(  9, 20)( 10, 22)( 11, 15)( 12, 17)( 13, 16)
( 14, 18)( 23, 43)( 24, 45)( 25, 44)( 26, 46)( 27, 59)( 28, 61)( 29, 60)
( 30, 62)( 31, 55)( 32, 57)( 33, 56)( 34, 58)( 35, 51)( 36, 53)( 37, 52)
( 38, 54)( 39, 47)( 40, 49)( 41, 48)( 42, 50)( 64, 65)( 67, 79)( 68, 81)
( 69, 80)( 70, 82)( 71, 75)( 72, 77)( 73, 76)( 74, 78)( 83,103)( 84,105)
( 85,104)( 86,106)( 87,119)( 88,121)( 89,120)( 90,122)( 91,115)( 92,117)
( 93,116)( 94,118)( 95,111)( 96,113)( 97,112)( 98,114)( 99,107)(100,109)
(101,108)(102,110)(124,125)(127,139)(128,141)(129,140)(130,142)(131,135)
(132,137)(133,136)(134,138)(143,163)(144,165)(145,164)(146,166)(147,179)
(148,181)(149,180)(150,182)(151,175)(152,177)(153,176)(154,178)(155,171)
(156,173)(157,172)(158,174)(159,167)(160,169)(161,168)(162,170)(184,185)
(187,199)(188,201)(189,200)(190,202)(191,195)(192,197)(193,196)(194,198)
(203,223)(204,225)(205,224)(206,226)(207,239)(208,241)(209,240)(210,242)
(211,235)(212,237)(213,236)(214,238)(215,231)(216,233)(217,232)(218,234)
(219,227)(220,229)(221,228)(222,230);;
s2 := (  3,147)(  4,148)(  5,150)(  6,149)(  7,143)(  8,144)(  9,146)( 10,145)
( 11,159)( 12,160)( 13,162)( 14,161)( 15,155)( 16,156)( 17,158)( 18,157)
( 19,151)( 20,152)( 21,154)( 22,153)( 23,127)( 24,128)( 25,130)( 26,129)
( 27,123)( 28,124)( 29,126)( 30,125)( 31,139)( 32,140)( 33,142)( 34,141)
( 35,135)( 36,136)( 37,138)( 38,137)( 39,131)( 40,132)( 41,134)( 42,133)
( 43,167)( 44,168)( 45,170)( 46,169)( 47,163)( 48,164)( 49,166)( 50,165)
( 51,179)( 52,180)( 53,182)( 54,181)( 55,175)( 56,176)( 57,178)( 58,177)
( 59,171)( 60,172)( 61,174)( 62,173)( 63,207)( 64,208)( 65,210)( 66,209)
( 67,203)( 68,204)( 69,206)( 70,205)( 71,219)( 72,220)( 73,222)( 74,221)
( 75,215)( 76,216)( 77,218)( 78,217)( 79,211)( 80,212)( 81,214)( 82,213)
( 83,187)( 84,188)( 85,190)( 86,189)( 87,183)( 88,184)( 89,186)( 90,185)
( 91,199)( 92,200)( 93,202)( 94,201)( 95,195)( 96,196)( 97,198)( 98,197)
( 99,191)(100,192)(101,194)(102,193)(103,227)(104,228)(105,230)(106,229)
(107,223)(108,224)(109,226)(110,225)(111,239)(112,240)(113,242)(114,241)
(115,235)(116,236)(117,238)(118,237)(119,231)(120,232)(121,234)(122,233);;
s3 := (  3, 66)(  4, 65)(  5, 64)(  6, 63)(  7, 70)(  8, 69)(  9, 68)( 10, 67)
( 11, 74)( 12, 73)( 13, 72)( 14, 71)( 15, 78)( 16, 77)( 17, 76)( 18, 75)
( 19, 82)( 20, 81)( 21, 80)( 22, 79)( 23, 86)( 24, 85)( 25, 84)( 26, 83)
( 27, 90)( 28, 89)( 29, 88)( 30, 87)( 31, 94)( 32, 93)( 33, 92)( 34, 91)
( 35, 98)( 36, 97)( 37, 96)( 38, 95)( 39,102)( 40,101)( 41,100)( 42, 99)
( 43,106)( 44,105)( 45,104)( 46,103)( 47,110)( 48,109)( 49,108)( 50,107)
( 51,114)( 52,113)( 53,112)( 54,111)( 55,118)( 56,117)( 57,116)( 58,115)
( 59,122)( 60,121)( 61,120)( 62,119)(123,186)(124,185)(125,184)(126,183)
(127,190)(128,189)(129,188)(130,187)(131,194)(132,193)(133,192)(134,191)
(135,198)(136,197)(137,196)(138,195)(139,202)(140,201)(141,200)(142,199)
(143,206)(144,205)(145,204)(146,203)(147,210)(148,209)(149,208)(150,207)
(151,214)(152,213)(153,212)(154,211)(155,218)(156,217)(157,216)(158,215)
(159,222)(160,221)(161,220)(162,219)(163,226)(164,225)(165,224)(166,223)
(167,230)(168,229)(169,228)(170,227)(171,234)(172,233)(173,232)(174,231)
(175,238)(176,237)(177,236)(178,235)(179,242)(180,241)(181,240)(182,239);;
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, 
s2*s3*s2*s3*s2*s3*s2*s3, s1*s2*s3*s2*s1*s2*s1*s2*s3*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 ];;
poly := F / rels;;
 
Permutation Representation (Magma) :
s0 := Sym(242)!(1,2);
s1 := Sym(242)!(  4,  5)(  7, 19)(  8, 21)(  9, 20)( 10, 22)( 11, 15)( 12, 17)
( 13, 16)( 14, 18)( 23, 43)( 24, 45)( 25, 44)( 26, 46)( 27, 59)( 28, 61)
( 29, 60)( 30, 62)( 31, 55)( 32, 57)( 33, 56)( 34, 58)( 35, 51)( 36, 53)
( 37, 52)( 38, 54)( 39, 47)( 40, 49)( 41, 48)( 42, 50)( 64, 65)( 67, 79)
( 68, 81)( 69, 80)( 70, 82)( 71, 75)( 72, 77)( 73, 76)( 74, 78)( 83,103)
( 84,105)( 85,104)( 86,106)( 87,119)( 88,121)( 89,120)( 90,122)( 91,115)
( 92,117)( 93,116)( 94,118)( 95,111)( 96,113)( 97,112)( 98,114)( 99,107)
(100,109)(101,108)(102,110)(124,125)(127,139)(128,141)(129,140)(130,142)
(131,135)(132,137)(133,136)(134,138)(143,163)(144,165)(145,164)(146,166)
(147,179)(148,181)(149,180)(150,182)(151,175)(152,177)(153,176)(154,178)
(155,171)(156,173)(157,172)(158,174)(159,167)(160,169)(161,168)(162,170)
(184,185)(187,199)(188,201)(189,200)(190,202)(191,195)(192,197)(193,196)
(194,198)(203,223)(204,225)(205,224)(206,226)(207,239)(208,241)(209,240)
(210,242)(211,235)(212,237)(213,236)(214,238)(215,231)(216,233)(217,232)
(218,234)(219,227)(220,229)(221,228)(222,230);
s2 := Sym(242)!(  3,147)(  4,148)(  5,150)(  6,149)(  7,143)(  8,144)(  9,146)
( 10,145)( 11,159)( 12,160)( 13,162)( 14,161)( 15,155)( 16,156)( 17,158)
( 18,157)( 19,151)( 20,152)( 21,154)( 22,153)( 23,127)( 24,128)( 25,130)
( 26,129)( 27,123)( 28,124)( 29,126)( 30,125)( 31,139)( 32,140)( 33,142)
( 34,141)( 35,135)( 36,136)( 37,138)( 38,137)( 39,131)( 40,132)( 41,134)
( 42,133)( 43,167)( 44,168)( 45,170)( 46,169)( 47,163)( 48,164)( 49,166)
( 50,165)( 51,179)( 52,180)( 53,182)( 54,181)( 55,175)( 56,176)( 57,178)
( 58,177)( 59,171)( 60,172)( 61,174)( 62,173)( 63,207)( 64,208)( 65,210)
( 66,209)( 67,203)( 68,204)( 69,206)( 70,205)( 71,219)( 72,220)( 73,222)
( 74,221)( 75,215)( 76,216)( 77,218)( 78,217)( 79,211)( 80,212)( 81,214)
( 82,213)( 83,187)( 84,188)( 85,190)( 86,189)( 87,183)( 88,184)( 89,186)
( 90,185)( 91,199)( 92,200)( 93,202)( 94,201)( 95,195)( 96,196)( 97,198)
( 98,197)( 99,191)(100,192)(101,194)(102,193)(103,227)(104,228)(105,230)
(106,229)(107,223)(108,224)(109,226)(110,225)(111,239)(112,240)(113,242)
(114,241)(115,235)(116,236)(117,238)(118,237)(119,231)(120,232)(121,234)
(122,233);
s3 := Sym(242)!(  3, 66)(  4, 65)(  5, 64)(  6, 63)(  7, 70)(  8, 69)(  9, 68)
( 10, 67)( 11, 74)( 12, 73)( 13, 72)( 14, 71)( 15, 78)( 16, 77)( 17, 76)
( 18, 75)( 19, 82)( 20, 81)( 21, 80)( 22, 79)( 23, 86)( 24, 85)( 25, 84)
( 26, 83)( 27, 90)( 28, 89)( 29, 88)( 30, 87)( 31, 94)( 32, 93)( 33, 92)
( 34, 91)( 35, 98)( 36, 97)( 37, 96)( 38, 95)( 39,102)( 40,101)( 41,100)
( 42, 99)( 43,106)( 44,105)( 45,104)( 46,103)( 47,110)( 48,109)( 49,108)
( 50,107)( 51,114)( 52,113)( 53,112)( 54,111)( 55,118)( 56,117)( 57,116)
( 58,115)( 59,122)( 60,121)( 61,120)( 62,119)(123,186)(124,185)(125,184)
(126,183)(127,190)(128,189)(129,188)(130,187)(131,194)(132,193)(133,192)
(134,191)(135,198)(136,197)(137,196)(138,195)(139,202)(140,201)(141,200)
(142,199)(143,206)(144,205)(145,204)(146,203)(147,210)(148,209)(149,208)
(150,207)(151,214)(152,213)(153,212)(154,211)(155,218)(156,217)(157,216)
(158,215)(159,222)(160,221)(161,220)(162,219)(163,226)(164,225)(165,224)
(166,223)(167,230)(168,229)(169,228)(170,227)(171,234)(172,233)(173,232)
(174,231)(175,238)(176,237)(177,236)(178,235)(179,242)(180,241)(181,240)
(182,239);
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*s1*s0*s1, s0*s2*s0*s2, s0*s3*s0*s3, 
s1*s3*s1*s3, s2*s3*s2*s3*s2*s3*s2*s3, 
s1*s2*s3*s2*s1*s2*s1*s2*s3*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 >; 
 

to this polytope