Part of the Atlas of Small Regular Polytopes

Polytope of Type {12,5}

Atlas Canonical Name {12,5}*1920b

▶ Play as a twisty puzzle

Overview

Group
SmallGroup(1920,240996)
Rank
3
Schläfli Type
{12,5}
Vertices, edges, …
192, 480, 80
Order of s0s1s2
8
Order of s0s1s2s1
8
Also known as
if this polytope has a name.

Special Properties

  • Compact Hyperbolic Quotient
  • Locally Spherical
  • Non-Orientable

Quotients maximal quotients in bold

16-fold

Covers minimal covers in bold

None in this atlas.

Irregular Quotients of which this is a minimal cover

Click an entry to reveal its facets and vertex figures.

P/N, where N=<(s1*s0*s1*s2)^4> of order 2

40 facets

96 vertex figures

P/N, where N=<s1*s0*s1*s2*s1*s0*s2*(s1*s0)^2*(s1*s2)^2> of order 2

44 facets

96 vertex figures

P/N, where N=<(s0*s1)^2*(s2*s1*s0*s1)^3> of order 2

40 facets

96 vertex figures

P/N, where N=<s0*(s1*s2)^2*s1*s0*s1*(s2*s1*s0)^2*s1, s0*s2*(s1*s0)^2*(s1*s2)^2*s1*s0*s1*s2*s1> of order 4

26 facets

48 vertex figures

P/N, where N=<(s1*s0)^2*(s2*s1*s0)^2*(s2*s1)^2, s1*s0*s1*s2*s1*s0*s2*(s1*s0)^2*(s1*s2)^2> of order 4

22 facets

48 vertex figures

P/N, where N=<s1*s0*s1*s2*s1*s0*s2*(s1*s0)^2*(s1*s2)^2, (s0*s1)^2*(s2*s1*s0*s1)^3> of order 4

22 facets

48 vertex figures

P/N, where N=<s1*s0*s1*s2*s1*s0*s2*(s1*s0)^2*(s1*s2)^2, (s1*s0*s1*s2)^4> of order 4

24 facets

48 vertex figures

P/N, where N=<(s0*s1)^3*(s2*s1)^2*s0*s1*s2*s1*s0> of order 4

22 facets

48 vertex figures

P/N, where N=<(s0*s1)^3*(s2*s1)^2*s0*(s1*s2)^2, s0*s1*s2*s1*s0*(s1*s2)^2*(s1*s0)^2*s1*s2, s0*(s1*s2)^2*s1*s0*s1*(s2*s1*s0)^2*s1> of order 8

16 facets

24 vertex figures

P/N, where N=<s0*(s1*s0*s2)^3*s1*s2, (s1*s0)^2*(s2*s1*s0)^2*(s2*s1)^2, s0*(s1*s2)^2*(s1*s0)^3*(s2*s1)^2> of order 8

14 facets

24 vertex figures

P/N, where N=<(s0*s1)^3*(s2*s1)^2*s0*s1*s2*s1*s0, s0*(s1*s2)^2*s1*s0*s1*(s2*s1*s0)^2*s1> of order 8

13 facets

24 vertex figures

P/N, where N=<(s1*s0)^2*(s1*s2)^2*s1*s0*s1*s2*s1, (s0*s1)^3*(s2*s1)^2*s0*s1*s2*s1*s0> of order 8

12 facets

24 vertex figures

Representations

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

References

None.

to this polytope.

Twisty Puzzle