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Polytope of Type {2,3,20}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,3,20}*960
if this polytope has a name.
Group : SmallGroup(960,10889)
Rank : 4
Schlafli Type : {2,3,20}
Number of vertices, edges, etc : 2, 12, 120, 80
Order of s0s1s2s3 : 20
Order of s0s1s2s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{2,3,20,2} of size 1920
Vertex Figure Of :
{2,2,3,20} of size 1920
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {2,3,10}*480
4-fold quotients : {2,3,5}*240, {2,3,10}*240a, {2,3,10}*240b
8-fold quotients : {2,3,5}*120
Covers (Minimal Covers in Boldface) :
2-fold covers : {2,6,20}*1920e
Permutation Representation (GAP) :
s0 := (1,2);;
s1 := ( 4,12)( 5,14)( 6,19)( 7,21)( 9,40)(13,30)(15,46)(16,45)(17,36)(22,25)
(23,38)(24,39)(26,28)(31,35)(32,33)(34,37)(41,49)(42,48)(43,47)(44,50);;
s2 := ( 3, 5)( 4,25)( 6,37)( 7,31)( 8,17)( 9,12)(10,23)(11,24)(13,20)(15,19)
(16,21)(18,32)(22,40)(26,43)(27,42)(28,41)(29,44)(34,46)(35,45)(47,49);;
s3 := ( 3,10)( 4, 6)( 5,35)( 7,26)( 8,27)( 9,23)(11,18)(12,19)(13,34)(14,31)
(15,33)(16,36)(17,45)(20,29)(21,28)(22,48)(24,41)(25,42)(30,37)(32,46)(38,40)
(39,49)(43,44)(47,50);;
poly := Group([s0,s1,s2,s3]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2","s3");;
s0 := F.1;; s1 := F.2;; s2 := F.3;; s3 := F.4;;
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s0*s1*s0*s1,
s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3,
s1*s2*s1*s2*s1*s2, s3*s1*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s1*s2*s3*s2*s3*s2*s3*s2*s3*s2,
s3*s1*s2*s3*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(50)!(1,2);
s1 := Sym(50)!( 4,12)( 5,14)( 6,19)( 7,21)( 9,40)(13,30)(15,46)(16,45)(17,36)
(22,25)(23,38)(24,39)(26,28)(31,35)(32,33)(34,37)(41,49)(42,48)(43,47)(44,50);
s2 := Sym(50)!( 3, 5)( 4,25)( 6,37)( 7,31)( 8,17)( 9,12)(10,23)(11,24)(13,20)
(15,19)(16,21)(18,32)(22,40)(26,43)(27,42)(28,41)(29,44)(34,46)(35,45)(47,49);
s3 := Sym(50)!( 3,10)( 4, 6)( 5,35)( 7,26)( 8,27)( 9,23)(11,18)(12,19)(13,34)
(14,31)(15,33)(16,36)(17,45)(20,29)(21,28)(22,48)(24,41)(25,42)(30,37)(32,46)
(38,40)(39,49)(43,44)(47,50);
poly := sub<Sym(50)|s0,s1,s2,s3>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2,s3> := Group< s0,s1,s2,s3 | s0*s0, s1*s1, s2*s2,
s3*s3, s0*s1*s0*s1, s0*s2*s0*s2, s0*s3*s0*s3,
s1*s3*s1*s3, s1*s2*s1*s2*s1*s2, s3*s1*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s1*s2*s3*s2*s3*s2*s3*s2*s3*s2,
s3*s1*s2*s3*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2 >;
to this polytope