Part of the Atlas of Small Regular Polytopes

Polytope of Type {4,8}

Atlas Canonical Name {4,8}*256b

▶ Play as a twisty puzzle

Overview

Group
SmallGroup(256,6661)
Rank
3
Schläfli Type
{4,8}
Vertices, edges, …
16, 64, 32
Order of s0s1s2
4
Order of s0s1s2s1
8
Also known as
{4,8}4. if this polytope has another name.

Special Properties

  • Compact Hyperbolic Quotient
  • Locally Spherical
  • Orientable
  • Self-Petrie

Quotients maximal quotients in bold

2-fold

4-fold

8-fold

16-fold

32-fold

Covers minimal covers in bold

2-fold

3-fold

5-fold

7-fold

Irregular Quotients of which this is a minimal cover

Click an entry to reveal its facets and vertex figures.

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

16 facets

12 vertex figures

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

8 facets

6 vertex figures

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

8 facets

10 vertex figures

Representations

Permutation Representation (GAP)
s0 := ( 1, 9)( 2,10)( 3,11)( 4,12)( 5,13)( 6,14)( 7,15)( 8,16);;
s1 := ( 5, 7)( 6, 8)(11,12)(13,14)(15,16);;
s2 := ( 1,13)( 2,14)( 3,16)( 4,15)( 5, 9)( 6,10)( 7,12)( 8,11);;
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, 
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 ];;
poly := F / rels;;
Permutation Representation (Magma)
s0 := Sym(16)!( 1, 9)( 2,10)( 3,11)( 4,12)( 5,13)( 6,14)( 7,15)( 8,16);
s1 := Sym(16)!( 5, 7)( 6, 8)(11,12)(13,14)(15,16);
s2 := Sym(16)!( 1,13)( 2,14)( 3,16)( 4,15)( 5, 9)( 6,10)( 7,12)( 8,11);
poly := sub<Sym(16)|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, 
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >; 

References

None.

to this polytope.

Twisty Puzzle