include("/home/bitnami/htdocs/websites/abstract-polytopes/www/subs.php"); ?>
Polytope of Type {2,3,2,20}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,3,2,20}*480
if this polytope has a name.
Group : SmallGroup(480,1088)
Rank : 5
Schlafli Type : {2,3,2,20}
Number of vertices, edges, etc : 2, 3, 3, 20, 20
Order of s0s1s2s3s4 : 60
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{2,3,2,20,2} of size 960
{2,3,2,20,4} of size 1920
Vertex Figure Of :
{2,2,3,2,20} of size 960
{3,2,3,2,20} of size 1440
{4,2,3,2,20} of size 1920
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {2,3,2,10}*240
4-fold quotients : {2,3,2,5}*120
5-fold quotients : {2,3,2,4}*96
10-fold quotients : {2,3,2,2}*48
Covers (Minimal Covers in Boldface) :
2-fold covers : {2,3,2,40}*960, {2,6,2,20}*960
3-fold covers : {2,9,2,20}*1440, {6,3,2,20}*1440, {2,3,6,20}*1440, {2,3,2,60}*1440
4-fold covers : {2,3,2,80}*1920, {2,6,4,20}*1920, {4,6,2,20}*1920a, {2,12,2,20}*1920, {2,6,2,40}*1920, {2,3,4,20}*1920, {4,3,2,20}*1920
Permutation Representation (GAP) :
s0 := (1,2);;
s1 := (4,5);;
s2 := (3,4);;
s3 := ( 7, 8)( 9,10)(12,15)(13,14)(16,17)(18,19)(20,23)(21,22)(24,25);;
s4 := ( 6,12)( 7, 9)( 8,18)(10,20)(11,14)(13,16)(15,24)(17,21)(19,22)(23,25);;
poly := Group([s0,s1,s2,s3,s4]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2","s3","s4");;
s0 := F.1;; s1 := F.2;; s2 := F.3;; s3 := F.4;; s4 := F.5;;
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s4*s4, s0*s1*s0*s1,
s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3,
s2*s3*s2*s3, s0*s4*s0*s4, s1*s4*s1*s4,
s2*s4*s2*s4, s1*s2*s1*s2*s1*s2, s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(25)!(1,2);
s1 := Sym(25)!(4,5);
s2 := Sym(25)!(3,4);
s3 := Sym(25)!( 7, 8)( 9,10)(12,15)(13,14)(16,17)(18,19)(20,23)(21,22)(24,25);
s4 := Sym(25)!( 6,12)( 7, 9)( 8,18)(10,20)(11,14)(13,16)(15,24)(17,21)(19,22)
(23,25);
poly := sub<Sym(25)|s0,s1,s2,s3,s4>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2,s3,s4> := Group< s0,s1,s2,s3,s4 | s0*s0, s1*s1, s2*s2,
s3*s3, s4*s4, s0*s1*s0*s1, s0*s2*s0*s2,
s0*s3*s0*s3, s1*s3*s1*s3, s2*s3*s2*s3,
s0*s4*s0*s4, s1*s4*s1*s4, s2*s4*s2*s4,
s1*s2*s1*s2*s1*s2, s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4 >;
to this polytope