Polytope of Type {6,4}
Play with this polytope as a twisty puzzle
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {6,4}*672c
if this polytope has a name.
Group : SmallGroup(672,1254)
Rank : 3
Schlafli Type : {6,4}
Number of vertices, edges, etc : 84, 168, 56
Order of s0s1s2 : 8
Order of s0s1s2s1 : 8
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Orientable
Related Polytopes :
Facet
Vertex Figure
Dual
Petrial
Skewing Operation
Facet Of :
{6,4,2} of size 1344
Vertex Figure Of :
{2,6,4} of size 1344
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {6,4}*336
Covers (Minimal Covers in Boldface) :
2-fold covers : {6,8}*1344a, {6,8}*1344b, {6,4}*1344
Irregular Quotients (of which this is a minimal cover):
P/N, where N=<s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1> of order 2.
28 facets:
28 of {6}*12
44 vertex figures:
40 of {4}*8
4 of {2}*4
P/N, where N=<s0*s1*s2*s1*s0*s2, s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s2> of order 4.
14 facets:
14 of {6}*12
24 vertex figures:
18 of {4}*8
6 of {2}*4
P/N, where N=<s0*s1*s2*s1*s0*s1*s2*s1*s2> of order 4.
14 facets:
14 of {6}*12
22 vertex figures:
20 of {4}*8
2 of {2}*4
P/N, where N=<s0*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1> of order 7.
8 facets:
8 of {6}*12
12 vertex figures:
12 of {4}*8
Permutation Representation (GAP) :
s0 := (3,7)(4,8)(5,6);;
s1 := ( 1, 3)( 2, 5)( 4, 8)( 6, 7)( 9,10);;
s2 := ( 1, 2)( 3, 4)( 5, 6)( 7, 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,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s2*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(10)!(3,7)(4,8)(5,6);
s1 := Sym(10)!( 1, 3)( 2, 5)( 4, 8)( 6, 7)( 9,10);
s2 := Sym(10)!( 1, 2)( 3, 4)( 5, 6)( 7, 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,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s2*s1 >;
References : None.
to this polytope
Twisty Puzzle