Polytope of Type {8,4,6} with group SmallGroup(1728,12703)

Overview

Group: SmallGroup(1728,12703)
Rank: 4
Schläfli Type: {8,4,6}
Vertices, edges, …: 8, 72, 54, 27
Order of s₀s₁s₂s₃: 24
Order of s₀s₁s₂s₃s₂s₁: 2
Also known as: if this polytope has a name.

Special Properties

Universal
Non-Orientable
Flat

Quotients maximal quotients in bold

2-fold

{4,4,6}*864a

3-fold

{8,4,6}*576

4-fold

{2,4,6}*432

6-fold

{4,4,6}*288

12-fold

{2,4,6}*144

Covers minimal covers in bold

None in this atlas.

Irregular Quotients of which this is a minimal cover

None.

Representations

Permutation Representation (GAP)

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

References