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Polytope of Type {6,8}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {6,8}*1920a
if this polytope has a name.
Group : SmallGroup(1920,240560)
Rank : 3
Schlafli Type : {6,8}
Number of vertices, edges, etc : 120, 480, 160
Order of s0s1s2 : 40
Order of s0s1s2s1 : 6
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Orientable
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
None in this Atlas
Vertex Figure Of :
None in this Atlas
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {6,4}*960
4-fold quotients : {6,4}*480
8-fold quotients : {6,4}*240a, {6,4}*240b, {6,4}*240c
16-fold quotients : {6,4}*120
60-fold quotients : {2,8}*32
120-fold quotients : {2,4}*16
240-fold quotients : {2,2}*8
Covers (Minimal Covers in Boldface) :
None in this atlas.
Permutation Representation (GAP) :
s0 := ( 3, 5)( 6,10)( 7,11)( 8,12)( 9,13)(14,18)(15,19)(16,20)(17,21)(22,26)
(23,27)(24,28)(25,29)(30,34)(31,35)(32,36)(33,37);;
s1 := ( 1, 2)( 4, 5)( 6,18)( 7,19)( 8,21)( 9,20)(10,14)(11,15)(12,17)(13,16)
(22,34)(23,35)(24,37)(25,36)(26,30)(27,31)(28,33)(29,32);;
s2 := ( 2, 4)( 6,22)( 7,23)( 8,25)( 9,24)(10,26)(11,27)(12,29)(13,28)(14,32)
(15,33)(16,30)(17,31)(18,36)(19,37)(20,34)(21,35);;
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,
s0*s1*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s2*s0*s1*s0*s1*s2*s0*s1*s0*s1*s2*s0*s1*s0*s1*s2*s0*s1*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(37)!( 3, 5)( 6,10)( 7,11)( 8,12)( 9,13)(14,18)(15,19)(16,20)(17,21)
(22,26)(23,27)(24,28)(25,29)(30,34)(31,35)(32,36)(33,37);
s1 := Sym(37)!( 1, 2)( 4, 5)( 6,18)( 7,19)( 8,21)( 9,20)(10,14)(11,15)(12,17)
(13,16)(22,34)(23,35)(24,37)(25,36)(26,30)(27,31)(28,33)(29,32);
s2 := Sym(37)!( 2, 4)( 6,22)( 7,23)( 8,25)( 9,24)(10,26)(11,27)(12,29)(13,28)
(14,32)(15,33)(16,30)(17,31)(18,36)(19,37)(20,34)(21,35);
poly := sub<Sym(37)|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,
s0*s1*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s2*s0*s1*s0*s1*s2*s0*s1*s0*s1*s2*s0*s1*s0*s1*s2*s0*s1*s0*s1 >;
References : None.
to this polytope