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Polytope of Type {9,2,24}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {9,2,24}*864
if this polytope has a name.
Group : SmallGroup(864,781)
Rank : 4
Schlafli Type : {9,2,24}
Number of vertices, edges, etc : 9, 9, 24, 24
Order of s0s1s2s3 : 72
Order of s0s1s2s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{9,2,24,2} of size 1728
Vertex Figure Of :
{2,9,2,24} of size 1728
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {9,2,12}*432
3-fold quotients : {9,2,8}*288, {3,2,24}*288
4-fold quotients : {9,2,6}*216
6-fold quotients : {9,2,4}*144, {3,2,12}*144
8-fold quotients : {9,2,3}*108
9-fold quotients : {3,2,8}*96
12-fold quotients : {9,2,2}*72, {3,2,6}*72
18-fold quotients : {3,2,4}*48
24-fold quotients : {3,2,3}*36
36-fold quotients : {3,2,2}*24
Covers (Minimal Covers in Boldface) :
2-fold covers : {9,2,48}*1728, {18,2,24}*1728
Permutation Representation (GAP) :
s0 := (2,3)(4,5)(6,7)(8,9);;
s1 := (1,2)(3,4)(5,6)(7,8);;
s2 := (11,12)(13,14)(15,18)(16,20)(17,19)(21,24)(22,26)(23,25)(28,31)(29,30)
(32,33);;
s3 := (10,16)(11,13)(12,22)(14,17)(15,19)(18,28)(20,23)(21,25)(24,32)(26,29)
(27,30)(31,33);;
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*s2*s0*s2,
s1*s2*s1*s2, s0*s3*s0*s3, s1*s3*s1*s3,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(33)!(2,3)(4,5)(6,7)(8,9);
s1 := Sym(33)!(1,2)(3,4)(5,6)(7,8);
s2 := Sym(33)!(11,12)(13,14)(15,18)(16,20)(17,19)(21,24)(22,26)(23,25)(28,31)
(29,30)(32,33);
s3 := Sym(33)!(10,16)(11,13)(12,22)(14,17)(15,19)(18,28)(20,23)(21,25)(24,32)
(26,29)(27,30)(31,33);
poly := sub<Sym(33)|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*s2*s0*s2, s1*s2*s1*s2, s0*s3*s0*s3,
s1*s3*s1*s3, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3 >;
to this polytope