include("/home/bitnami/htdocs/websites/abstract-polytopes/www/subs.php"); ?>
Polytope of Type {4,6,2,9}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {4,6,2,9}*1728
if this polytope has a name.
Group : SmallGroup(1728,46114)
Rank : 5
Schlafli Type : {4,6,2,9}
Number of vertices, edges, etc : 8, 24, 12, 9, 9
Order of s0s1s2s3s4 : 18
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
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 : {4,3,2,9}*864, {4,6,2,9}*864b, {4,6,2,9}*864c
3-fold quotients : {4,6,2,3}*576
4-fold quotients : {4,3,2,9}*432, {2,6,2,9}*432
6-fold quotients : {4,3,2,3}*288, {4,6,2,3}*288b, {4,6,2,3}*288c
8-fold quotients : {2,3,2,9}*216
12-fold quotients : {2,2,2,9}*144, {4,3,2,3}*144, {2,6,2,3}*144
24-fold quotients : {2,3,2,3}*72
36-fold quotients : {2,2,2,3}*48
Covers (Minimal Covers in Boldface) :
None in this atlas.
Permutation Representation (GAP) :
s0 := ( 1, 6)( 2, 4)( 3,10)( 5, 7)( 8,12)( 9,11)(13,16)(14,15);;
s1 := ( 4, 8)( 6,11)( 7,13)(10,15);;
s2 := ( 1, 3)( 2, 5)( 4, 7)( 6,10)( 8,14)( 9,13)(11,16)(12,15);;
s3 := (18,19)(20,21)(22,23)(24,25);;
s4 := (17,18)(19,20)(21,22)(23,24);;
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*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,
s0*s1*s0*s1*s0*s1*s0*s1, s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
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, 6)( 2, 4)( 3,10)( 5, 7)( 8,12)( 9,11)(13,16)(14,15);
s1 := Sym(25)!( 4, 8)( 6,11)( 7,13)(10,15);
s2 := Sym(25)!( 1, 3)( 2, 5)( 4, 7)( 6,10)( 8,14)( 9,13)(11,16)(12,15);
s3 := Sym(25)!(18,19)(20,21)(22,23)(24,25);
s4 := Sym(25)!(17,18)(19,20)(21,22)(23,24);
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*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, s0*s1*s0*s1*s0*s1*s0*s1,
s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4 >;
to this polytope