Part of the Atlas of Small Regular Polytopes

Polytope of Type {6,6,4}

Atlas Canonical Name {6,6,4}*1920b

Overview

Group
SmallGroup(1920,240996)
Rank
4
Schläfli Type
{6,6,4}
Vertices, edges, …
16, 120, 80, 16
Order of s0s1s2s3
5
Order of s0s1s2s3s2s1
6
Also known as
if this polytope has a name.

Special Properties

  • Universal
  • Non-Orientable

Quotients maximal quotients in bold

No regular quotients.

Covers minimal covers in bold

None in this atlas.

Irregular Quotients of which this is a minimal cover

None.

Representations

Permutation Representation (GAP)
s0 := ( 2, 3)( 5, 8)( 6, 7)( 9,10);;
s1 := (1,2)(4,6);;
s2 := ( 2, 5)( 3, 8)( 6,10)( 7, 9);;
s3 := ( 5, 9)( 8,10);;
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, 
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*s3*s2*s1*s2*s3*s2*s1*s2*s3*s2, 
s0*s1*s2*s1*s0*s1*s0*s1*s2*s0*s1*s0*s1, 
s2*s1*s0*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1 ];;
poly := F / rels;;
Permutation Representation (Magma)
s0 := Sym(10)!( 2, 3)( 5, 8)( 6, 7)( 9,10);
s1 := Sym(10)!(1,2)(4,6);
s2 := Sym(10)!( 2, 5)( 3, 8)( 6,10)( 7, 9);
s3 := Sym(10)!( 5, 9)( 8,10);
poly := sub<Sym(10)|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, 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*s3*s2*s1*s2*s3*s2*s1*s2*s3*s2, 
s0*s1*s2*s1*s0*s1*s0*s1*s2*s0*s1*s0*s1, 
s2*s1*s0*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1 >; 

References

None.

to this polytope.