Part of the Atlas of Small Regular Polytopes

Polytope of Type {28,6,4}

Atlas Canonical Name {28,6,4}*1344c

Overview

Group
SmallGroup(1344,11696)
Rank
4
Schläfli Type
{28,6,4}
Vertices, edges, …
28, 84, 12, 4
Order of s0s1s2s3
21
Order of s0s1s2s3s2s1
2
Also known as
if this polytope has a name.

Special Properties

  • Universal
  • Non-Orientable
  • Flat

Quotients maximal quotients in bold

7-fold

14-fold

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,  9)(  2, 10)(  3, 11)(  4, 12)(  5, 13)(  6, 14)(  7, 15)(  8, 16)( 17,105)( 18,106)( 19,107)( 20,108)( 21,109)( 22,110)( 23,111)( 24,112)( 25, 97)( 26, 98)( 27, 99)( 28,100)( 29,101)( 30,102)( 31,103)( 32,104)( 33, 89)( 34, 90)( 35, 91)( 36, 92)( 37, 93)( 38, 94)( 39, 95)( 40, 96)( 41, 81)( 42, 82)( 43, 83)( 44, 84)( 45, 85)( 46, 86)( 47, 87)( 48, 88)( 49, 73)( 50, 74)( 51, 75)( 52, 76)( 53, 77)( 54, 78)( 55, 79)( 56, 80)( 57, 65)( 58, 66)( 59, 67)( 60, 68)( 61, 69)( 62, 70)( 63, 71)( 64, 72);;
s1 := (  1, 17)(  2, 18)(  3, 20)(  4, 19)(  5, 21)(  6, 22)(  7, 24)(  8, 23)(  9, 29)( 10, 30)( 11, 32)( 12, 31)( 13, 25)( 14, 26)( 15, 28)( 16, 27)( 33, 97)( 34, 98)( 35,100)( 36, 99)( 37,101)( 38,102)( 39,104)( 40,103)( 41,109)( 42,110)( 43,112)( 44,111)( 45,105)( 46,106)( 47,108)( 48,107)( 49, 81)( 50, 82)( 51, 84)( 52, 83)( 53, 85)( 54, 86)( 55, 88)( 56, 87)( 57, 93)( 58, 94)( 59, 96)( 60, 95)( 61, 89)( 62, 90)( 63, 92)( 64, 91)( 67, 68)( 71, 72)( 73, 77)( 74, 78)( 75, 80)( 76, 79);;
s2 := (  2,  4)(  5, 13)(  6, 16)(  7, 15)(  8, 14)( 10, 12)( 18, 20)( 21, 29)( 22, 32)( 23, 31)( 24, 30)( 26, 28)( 34, 36)( 37, 45)( 38, 48)( 39, 47)( 40, 46)( 42, 44)( 50, 52)( 53, 61)( 54, 64)( 55, 63)( 56, 62)( 58, 60)( 66, 68)( 69, 77)( 70, 80)( 71, 79)( 72, 78)( 74, 76)( 82, 84)( 85, 93)( 86, 96)( 87, 95)( 88, 94)( 90, 92)( 98,100)(101,109)(102,112)(103,111)(104,110)(106,108);;
s3 := (  1,  2)(  3,  4)(  5,  6)(  7,  8)(  9, 10)( 11, 12)( 13, 14)( 15, 16)( 17, 18)( 19, 20)( 21, 22)( 23, 24)( 25, 26)( 27, 28)( 29, 30)( 31, 32)( 33, 34)( 35, 36)( 37, 38)( 39, 40)( 41, 42)( 43, 44)( 45, 46)( 47, 48)( 49, 50)( 51, 52)( 53, 54)( 55, 56)( 57, 58)( 59, 60)( 61, 62)( 63, 64)( 65, 66)( 67, 68)( 69, 70)( 71, 72)( 73, 74)( 75, 76)( 77, 78)( 79, 80)( 81, 82)( 83, 84)( 85, 86)( 87, 88)( 89, 90)( 91, 92)( 93, 94)( 95, 96)( 97, 98)( 99,100)(101,102)(103,104)(105,106)(107,108)(109,110)(111,112);;
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*s2*s3*s2*s3, 
s3*s2*s1*s3*s2*s3*s2*s1*s2, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s2*s0*s1*s2*s1*s2*s0*s1*s2*s0*s1*s2*s1*s2*s0*s1, 
s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s2*s1, 
s1*s0*s1*s0*s1*s0*s1*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0 ];;
poly := F / rels;;
Permutation Representation (Magma) 
s0 := Sym(112)!(  1,  9)(  2, 10)(  3, 11)(  4, 12)(  5, 13)(  6, 14)(  7, 15)(  8, 16)( 17,105)( 18,106)( 19,107)( 20,108)( 21,109)( 22,110)( 23,111)( 24,112)( 25, 97)( 26, 98)( 27, 99)( 28,100)( 29,101)( 30,102)( 31,103)( 32,104)( 33, 89)( 34, 90)( 35, 91)( 36, 92)( 37, 93)( 38, 94)( 39, 95)( 40, 96)( 41, 81)( 42, 82)( 43, 83)( 44, 84)( 45, 85)( 46, 86)( 47, 87)( 48, 88)( 49, 73)( 50, 74)( 51, 75)( 52, 76)( 53, 77)( 54, 78)( 55, 79)( 56, 80)( 57, 65)( 58, 66)( 59, 67)( 60, 68)( 61, 69)( 62, 70)( 63, 71)( 64, 72);
s1 := Sym(112)!(  1, 17)(  2, 18)(  3, 20)(  4, 19)(  5, 21)(  6, 22)(  7, 24)(  8, 23)(  9, 29)( 10, 30)( 11, 32)( 12, 31)( 13, 25)( 14, 26)( 15, 28)( 16, 27)( 33, 97)( 34, 98)( 35,100)( 36, 99)( 37,101)( 38,102)( 39,104)( 40,103)( 41,109)( 42,110)( 43,112)( 44,111)( 45,105)( 46,106)( 47,108)( 48,107)( 49, 81)( 50, 82)( 51, 84)( 52, 83)( 53, 85)( 54, 86)( 55, 88)( 56, 87)( 57, 93)( 58, 94)( 59, 96)( 60, 95)( 61, 89)( 62, 90)( 63, 92)( 64, 91)( 67, 68)( 71, 72)( 73, 77)( 74, 78)( 75, 80)( 76, 79);
s2 := Sym(112)!(  2,  4)(  5, 13)(  6, 16)(  7, 15)(  8, 14)( 10, 12)( 18, 20)( 21, 29)( 22, 32)( 23, 31)( 24, 30)( 26, 28)( 34, 36)( 37, 45)( 38, 48)( 39, 47)( 40, 46)( 42, 44)( 50, 52)( 53, 61)( 54, 64)( 55, 63)( 56, 62)( 58, 60)( 66, 68)( 69, 77)( 70, 80)( 71, 79)( 72, 78)( 74, 76)( 82, 84)( 85, 93)( 86, 96)( 87, 95)( 88, 94)( 90, 92)( 98,100)(101,109)(102,112)(103,111)(104,110)(106,108);
s3 := Sym(112)!(  1,  2)(  3,  4)(  5,  6)(  7,  8)(  9, 10)( 11, 12)( 13, 14)( 15, 16)( 17, 18)( 19, 20)( 21, 22)( 23, 24)( 25, 26)( 27, 28)( 29, 30)( 31, 32)( 33, 34)( 35, 36)( 37, 38)( 39, 40)( 41, 42)( 43, 44)( 45, 46)( 47, 48)( 49, 50)( 51, 52)( 53, 54)( 55, 56)( 57, 58)( 59, 60)( 61, 62)( 63, 64)( 65, 66)( 67, 68)( 69, 70)( 71, 72)( 73, 74)( 75, 76)( 77, 78)( 79, 80)( 81, 82)( 83, 84)( 85, 86)( 87, 88)( 89, 90)( 91, 92)( 93, 94)( 95, 96)( 97, 98)( 99,100)(101,102)(103,104)(105,106)(107,108)(109,110)(111,112);
poly := sub<Sym(112)|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*s2*s3*s2*s3, s3*s2*s1*s3*s2*s3*s2*s1*s2, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s2*s0*s1*s2*s1*s2*s0*s1*s2*s0*s1*s2*s1*s2*s0*s1, 
s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s2*s1, 
s1*s0*s1*s0*s1*s0*s1*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0 >;

References

None.

to this polytope.