Polytope of Type {8,4}
Play with this polytope as a twisty puzzle
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {8,4}*1344d
if this polytope has a name.
Group : SmallGroup(1344,11295)
Rank : 3
Schlafli Type : {8,4}
Number of vertices, edges, etc : 168, 336, 84
Order of s0s1s2 : 12
Order of s0s1s2s1 : 8
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Non-Orientable
Related Polytopes :
Facet
Vertex Figure
Dual
Petrial
Skewing Operation
Facet Of :
None in this Atlas
Vertex Figure Of :
None in this Atlas
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {8,4}*672b
4-fold quotients : {8,4}*336a
Covers (Minimal Covers in Boldface) :
None in this atlas.
Irregular Quotients (of which this is a minimal cover):
P/N, where N=<s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s2*s1> of order 2.
42 facets:
42 of {8}*16
84 vertex figures:
84 of {4}*8
P/N, where N=<s0*s1*s0*s1*s0*s1*s0*s1> of order 2.
44 facets:
4 of {4}*8
40 of {8}*16
88 vertex figures:
80 of {4}*8
8 of {2}*4
P/N, where N=<s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s2> of order 3.
28 facets:
28 of {8}*16
56 vertex figures:
56 of {4}*8
P/N, where N=<s0*s1*s0*s1*s0*s1*s0*s1, s1*s2*s1*s0*s2*s1*s0*s1*s0*s1*s0*s2*s1*s2> of order 4.
24 facets:
6 of {4}*8
18 of {8}*16
48 vertex figures:
36 of {4}*8
12 of {2}*4
P/N, where N=<s0*s1*s0*s1> of order 4.
24 facets:
4 of {2}*4
20 of {8}*16
44 vertex figures:
40 of {4}*8
4 of {2}*4
P/N, where N=<s0*s1*s0*s1*s0*s1*s0*s1, s0*s2*s1*s0*s1*s0*s1*s0*s1*s2> of order 6.
16 facets:
4 of {4}*8
12 of {8}*16
32 vertex figures:
24 of {4}*8
8 of {2}*4
P/N, where N=<s0*s1*s0*s1*s0*s1*s0*s1, s0*s1*s0*s1*s2*s1*s0*s2*s1*s0> of order 8.
13 facets:
5 of {4}*8
8 of {8}*16
26 vertex figures:
16 of {4}*8
10 of {2}*4
P/N, where N=<s1*s2*s1*s2, s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s2> of order 12.
8 facets:
6 of {8}*16
2 of {4}*8
16 vertex figures:
4 of {2}*4
12 of {4}*8
P/N, where N=<s1*s2*s1*s2, s0*s1*s0*s1*s0*s1*s0*s1, s0*s2*s1*s0*s1*s0*s1*s0*s1*s2> of order 24.
5 facets:
3 of {4}*8
2 of {8}*16
10 vertex figures:
6 of {2}*4
4 of {4}*8
Permutation Representation (GAP) :
s0 := ( 3, 7)( 4, 5)( 6, 8)( 9,11)(10,12);;
s1 := ( 1, 3)( 2, 4)( 5, 6)( 7, 8)(11,12);;
s2 := ( 1, 2)( 3, 7)( 4, 6)( 5, 8)( 9,10)(11,12);;
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,
s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s2*s1*s0*s2*s1*s2 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(12)!( 3, 7)( 4, 5)( 6, 8)( 9,11)(10,12);
s1 := Sym(12)!( 1, 3)( 2, 4)( 5, 6)( 7, 8)(11,12);
s2 := Sym(12)!( 1, 2)( 3, 7)( 4, 6)( 5, 8)( 9,10)(11,12);
poly := sub<Sym(12)|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,
s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s2*s1*s0*s2*s1*s2 >;
References : None.
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