Part of the Atlas of Small Regular Polytopes

Polytope of Type {4,2,6,6}

Atlas Canonical Name {4,2,6,6}*1728c

Overview

Group
SmallGroup(1728,30804)
Rank
5
Schläfli Type
{4,2,6,6}
Vertices, edges, …
4, 4, 18, 54, 18
Order of s0s1s2s3s4
12
Order of s0s1s2s3s4s3s2s1
2
Also known as
if this polytope has a name.

Special Properties

  • Degenerate
  • Universal
  • Orientable
  • Flat

Quotients maximal quotients in bold

2-fold

3-fold

4-fold

6-fold

9-fold

12-fold

18-fold

27-fold

36-fold

54-fold

Covers minimal covers in bold

None in this atlas.

Representations

Permutation Representation (GAP)
s0 := (2,3);;
s1 := (1,2)(3,4);;
s2 := ( 5,11)( 6,12)( 7,13)(14,20)(15,21)(16,22);;
s3 := ( 5,14)( 6,15)( 7,16)( 8,21)( 9,22)(10,20)(11,19)(12,17)(13,18);;
s4 := ( 6, 7)( 9,10)(12,13)(15,16)(18,19)(21,22);;
poly := Group([s0,s1,s2,s3,s4]);;
Finitely Presented Group Representation (GAP)
F := FreeGroup("s0","s1","s2","s3","s4");;
s0 := F.1;;  s1 := F.2;;  s2 := F.3;;  s3 := F.4;;  s4 := F.5;;  
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s4*s4, s0*s2*s0*s2, 
s1*s2*s1*s2, s0*s3*s0*s3, s1*s3*s1*s3, 
s0*s4*s0*s4, s1*s4*s1*s4, s2*s4*s2*s4, 
s0*s1*s0*s1*s0*s1*s0*s1, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3, 
s2*s3*s2*s3*s4*s3*s2*s3*s2*s3*s4*s3, 
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4, 
s4*s2*s3*s4*s2*s3*s4*s2*s3*s4*s2*s3*s4*s2*s3*s4*s2*s3 ];;
poly := F / rels;;
Permutation Representation (Magma)
s0 := Sym(22)!(2,3);
s1 := Sym(22)!(1,2)(3,4);
s2 := Sym(22)!( 5,11)( 6,12)( 7,13)(14,20)(15,21)(16,22);
s3 := Sym(22)!( 5,14)( 6,15)( 7,16)( 8,21)( 9,22)(10,20)(11,19)(12,17)(13,18);
s4 := Sym(22)!( 6, 7)( 9,10)(12,13)(15,16)(18,19)(21,22);
poly := sub<Sym(22)|s0,s1,s2,s3,s4>;
Finitely Presented Group Representation (Magma)
poly<s0,s1,s2,s3,s4> := Group< s0,s1,s2,s3,s4 | s0*s0, s1*s1, s2*s2, 
s3*s3, s4*s4, s0*s2*s0*s2, s1*s2*s1*s2, 
s0*s3*s0*s3, s1*s3*s1*s3, s0*s4*s0*s4, 
s1*s4*s1*s4, s2*s4*s2*s4, s0*s1*s0*s1*s0*s1*s0*s1, 
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3, 
s2*s3*s2*s3*s4*s3*s2*s3*s2*s3*s4*s3, 
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4, 
s4*s2*s3*s4*s2*s3*s4*s2*s3*s4*s2*s3*s4*s2*s3*s4*s2*s3 >;