Part of the Atlas of Small Regular Polytopes

Polytope of Type {5,12}

Atlas Canonical Name {5,12}*1920b

▶ Play as a twisty puzzle

Overview

Group
SmallGroup(1920,240996)
Rank
3
Schläfli Type
{5,12}
Vertices, edges, …
80, 480, 192
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=<(s0*s1)^2*(s2*s1*s0)^2*(s2*s1)^2*s0*s1> of order 2

96 facets

40 vertex figures

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

96 facets

44 vertex figures

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

96 facets

40 vertex figures

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

48 facets

26 vertex figures

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

48 facets

22 vertex figures

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

48 facets

22 vertex figures

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

48 facets

24 vertex figures

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

48 facets

22 vertex figures

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

24 facets

16 vertex figures

P/N, where N=<s0*(s1*s0*s2)^3*s1*s2, (s0*s2*s1)^4, (s1*s2)^6> of order 8

24 facets

14 vertex figures

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

24 facets

13 vertex figures

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

24 facets

12 vertex figures

Representations

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

References

None.

to this polytope.

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