Polytope of Type {6,12}

Play with this polytope as a twisty puzzle

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {6,12}*720a
if this polytope has a name.
Group : SmallGroup(720,767)
Rank : 3
Schlafli Type : {6,12}
Number of vertices, edges, etc : 30, 180, 60
Order of s₀s₁s₂ : 15
Order of s₀s₁s₂s₁ : 6
Special Properties :
   Compact Hyperbolic Quotient
   Locally Spherical
   Non-Orientable
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   {6,12,2} of size 1440
Vertex Figure Of :
   {2,6,12} of size 1440
Quotients (Maximal Quotients in Boldface) :
   3-fold quotients : {6,4}*240c
   6-fold quotients : {6,4}*120
Covers (Minimal Covers in Boldface) :
   2-fold covers : {6,24}*1440a, {6,24}*1440b, {6,12}*1440c
Irregular Quotients (of which this is a minimal cover):
   P/N, where N=<s0*s1*s2*s1*s0*s1*s2*s1*s0*s2*s1*s2*s1*s2> of order 2.
      30 facets:
         30 of {6}*12
      15 vertex figures:
         15 of {12}*24
   P/N, where N=<s0*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1> of order 2.
      30 facets:
         30 of {6}*12
      16 vertex figures:
         14 of {12}*24
         2 of {6}*12
   P/N, where N=<s0*s1*s0*s1*s0*s2*s1*s0*s1*s2, s0*s2*s1*s0*s1*s0*s2*s1*s0*s1> of order 4.
      15 facets:
         15 of {6}*12
      9 vertex figures:
         6 of {12}*24
         3 of {6}*12

Permutation Representation (GAP) :

s0 := (7,8);;
s1 := (2,3)(4,5)(6,7);;
s2 := (1,2)(5,6);;
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*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s0*s1*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1, 
s1*s2*s1*s0*s1*s0*s1*s2*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0, 
s2*s1*s0*s1*s0*s1*s2*s1*s2*s1*s0*s1*s2*s0*s1*s0*s1*s2*s1 ];;
poly := F / rels;;

Permutation Representation (Magma) :

s0 := Sym(8)!(7,8);
s1 := Sym(8)!(2,3)(4,5)(6,7);
s2 := Sym(8)!(1,2)(5,6);
poly := sub<Sym(8)|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*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s0*s1*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1, 
s1*s2*s1*s0*s1*s0*s1*s2*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0, 
s2*s1*s0*s1*s0*s1*s2*s1*s2*s1*s0*s1*s2*s0*s1*s0*s1*s2*s1 >;

References : None.
to this polytope

Polytope of Type {6,12}

Twisty Puzzle