Polytope of Type {8,8} with group SmallGroup(256,6669)

Overview

Group: SmallGroup(256,6669)
Rank: 3
Schläfli Type: {8,8}
Vertices, edges, …: 16, 64, 16
Order of s₀s₁s₂: 8
Order of s₀s₁s₂s₁: 8
Also known as: if this polytope has a name.

Special Properties

Compact Hyperbolic Quotient
Locally Spherical
Orientable
Self-Petrie

Quotients maximal quotients in bold

2-fold

{4,8}*128b

4-fold

{4,4}*64

8-fold

{4,4}*32

16-fold

32-fold

{2,2}*8

Covers minimal covers in bold

2-fold

3-fold

5-fold

7-fold

Irregular Quotients of which this is a minimal cover

None.

Representations

Permutation Representation (GAP)

s0 := (  1, 65)(  2, 66)(  3, 68)(  4, 67)(  5, 69)(  6, 70)(  7, 72)(  8, 71)(  9, 80)( 10, 79)( 11, 77)( 12, 78)( 13, 75)( 14, 76)( 15, 74)( 16, 73)( 17, 82)( 18, 81)( 19, 83)( 20, 84)( 21, 86)( 22, 85)( 23, 87)( 24, 88)( 25, 95)( 26, 96)( 27, 94)( 28, 93)( 29, 92)( 30, 91)( 31, 89)( 32, 90)( 33, 97)( 34, 98)( 35,100)( 36, 99)( 37,101)( 38,102)( 39,104)( 40,103)( 41,112)( 42,111)( 43,109)( 44,110)( 45,107)( 46,108)( 47,106)( 48,105)( 49,114)( 50,113)( 51,115)( 52,116)( 53,118)( 54,117)( 55,119)( 56,120)( 57,127)( 58,128)( 59,126)( 60,125)( 61,124)( 62,123)( 63,121)( 64,122);;
s1 := (  5,  7)(  6,  8)(  9, 10)( 11, 12)( 13, 16)( 14, 15)( 17, 18)( 19, 20)( 21, 24)( 22, 23)( 29, 31)( 30, 32)( 33, 41)( 34, 42)( 35, 43)( 36, 44)( 37, 47)( 38, 48)( 39, 45)( 40, 46)( 49, 59)( 50, 60)( 51, 57)( 52, 58)( 53, 61)( 54, 62)( 55, 63)( 56, 64)( 65, 81)( 66, 82)( 67, 83)( 68, 84)( 69, 87)( 70, 88)( 71, 85)( 72, 86)( 73, 90)( 74, 89)( 75, 92)( 76, 91)( 77, 96)( 78, 95)( 79, 94)( 80, 93)( 97,126)( 98,125)( 99,128)(100,127)(101,123)(102,124)(103,121)(104,122)(105,117)(106,118)(107,119)(108,120)(109,116)(110,115)(111,114)(112,113);;
s2 := (  1, 97)(  2, 98)(  3, 99)(  4,100)(  5,102)(  6,101)(  7,104)(  8,103)(  9,111)( 10,112)( 11,109)( 12,110)( 13,107)( 14,108)( 15,105)( 16,106)( 17,118)( 18,117)( 19,120)( 20,119)( 21,114)( 22,113)( 23,116)( 24,115)( 25,124)( 26,123)( 27,122)( 28,121)( 29,127)( 30,128)( 31,125)( 32,126)( 33, 65)( 34, 66)( 35, 67)( 36, 68)( 37, 70)( 38, 69)( 39, 72)( 40, 71)( 41, 79)( 42, 80)( 43, 77)( 44, 78)( 45, 75)( 46, 76)( 47, 73)( 48, 74)( 49, 86)( 50, 85)( 51, 88)( 52, 87)( 53, 82)( 54, 81)( 55, 84)( 56, 83)( 57, 92)( 58, 91)( 59, 90)( 60, 89)( 61, 95)( 62, 96)( 63, 93)( 64, 94);;
poly := Group([s0,s1,s2]);;

Finitely Presented Group Representation (GAP)

F := FreeGroup("s0","s1","s2");;
s0 := F.1;;  s1 := F.2;;  s2 := F.3;;  
rels := [ s0*s0, s1*s1, s2*s2, s0*s2*s0*s2, s0*s1*s2*s1*s2*s0*s1*s2*s0*s1*s2*s1*s0*s1, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s1*s2*s0*s1*s2*s1*s2*s1*s0*s1*s0*s2*s1*s0*s1*s2*s1*s2 ];;
poly := F / rels;;

Permutation Representation (Magma)

s0 := Sym(128)!(  1, 65)(  2, 66)(  3, 68)(  4, 67)(  5, 69)(  6, 70)(  7, 72)(  8, 71)(  9, 80)( 10, 79)( 11, 77)( 12, 78)( 13, 75)( 14, 76)( 15, 74)( 16, 73)( 17, 82)( 18, 81)( 19, 83)( 20, 84)( 21, 86)( 22, 85)( 23, 87)( 24, 88)( 25, 95)( 26, 96)( 27, 94)( 28, 93)( 29, 92)( 30, 91)( 31, 89)( 32, 90)( 33, 97)( 34, 98)( 35,100)( 36, 99)( 37,101)( 38,102)( 39,104)( 40,103)( 41,112)( 42,111)( 43,109)( 44,110)( 45,107)( 46,108)( 47,106)( 48,105)( 49,114)( 50,113)( 51,115)( 52,116)( 53,118)( 54,117)( 55,119)( 56,120)( 57,127)( 58,128)( 59,126)( 60,125)( 61,124)( 62,123)( 63,121)( 64,122);
s1 := Sym(128)!(  5,  7)(  6,  8)(  9, 10)( 11, 12)( 13, 16)( 14, 15)( 17, 18)( 19, 20)( 21, 24)( 22, 23)( 29, 31)( 30, 32)( 33, 41)( 34, 42)( 35, 43)( 36, 44)( 37, 47)( 38, 48)( 39, 45)( 40, 46)( 49, 59)( 50, 60)( 51, 57)( 52, 58)( 53, 61)( 54, 62)( 55, 63)( 56, 64)( 65, 81)( 66, 82)( 67, 83)( 68, 84)( 69, 87)( 70, 88)( 71, 85)( 72, 86)( 73, 90)( 74, 89)( 75, 92)( 76, 91)( 77, 96)( 78, 95)( 79, 94)( 80, 93)( 97,126)( 98,125)( 99,128)(100,127)(101,123)(102,124)(103,121)(104,122)(105,117)(106,118)(107,119)(108,120)(109,116)(110,115)(111,114)(112,113);
s2 := Sym(128)!(  1, 97)(  2, 98)(  3, 99)(  4,100)(  5,102)(  6,101)(  7,104)(  8,103)(  9,111)( 10,112)( 11,109)( 12,110)( 13,107)( 14,108)( 15,105)( 16,106)( 17,118)( 18,117)( 19,120)( 20,119)( 21,114)( 22,113)( 23,116)( 24,115)( 25,124)( 26,123)( 27,122)( 28,121)( 29,127)( 30,128)( 31,125)( 32,126)( 33, 65)( 34, 66)( 35, 67)( 36, 68)( 37, 70)( 38, 69)( 39, 72)( 40, 71)( 41, 79)( 42, 80)( 43, 77)( 44, 78)( 45, 75)( 46, 76)( 47, 73)( 48, 74)( 49, 86)( 50, 85)( 51, 88)( 52, 87)( 53, 82)( 54, 81)( 55, 84)( 56, 83)( 57, 92)( 58, 91)( 59, 90)( 60, 89)( 61, 95)( 62, 96)( 63, 93)( 64, 94);
poly := sub<Sym(128)|s0,s1,s2>;

Finitely Presented Group Representation (Magma)

poly<s0,s1,s2> := Group< s0,s1,s2 | s0*s0, s1*s1, s2*s2, 
s0*s2*s0*s2, s0*s1*s2*s1*s2*s0*s1*s2*s0*s1*s2*s1*s0*s1, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s1*s2*s0*s1*s2*s1*s2*s1*s0*s1*s0*s2*s1*s0*s1*s2*s1*s2 >;

References