include("/home/bitnami/htdocs/websites/abstract-polytopes/www/subs.php"); ?>
Polytope of Type {6,28,2}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {6,28,2}*672b
if this polytope has a name.
Group : SmallGroup(672,1260)
Rank : 4
Schlafli Type : {6,28,2}
Number of vertices, edges, etc : 6, 84, 28, 2
Order of s0s1s2s3 : 42
Order of s0s1s2s3s2s1 : 2
Special Properties :
Degenerate
Universal
Non-Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{6,28,2,2} of size 1344
Vertex Figure Of :
{2,6,28,2} of size 1344
Quotients (Maximal Quotients in Boldface) :
7-fold quotients : {6,4,2}*96b
14-fold quotients : {3,4,2}*48
Covers (Minimal Covers in Boldface) :
2-fold covers : {6,28,2}*1344
Permutation Representation (GAP) :
s0 := ( 2, 3)( 6, 7)(10,11)(14,15)(18,19)(22,23)(26,27);;
s1 := ( 3, 4)( 5,25)( 6,26)( 7,28)( 8,27)( 9,21)(10,22)(11,24)(12,23)(13,17)
(14,18)(15,20)(16,19);;
s2 := ( 1, 8)( 2, 7)( 3, 6)( 4, 5)( 9,28)(10,27)(11,26)(12,25)(13,24)(14,23)
(15,22)(16,21)(17,20)(18,19);;
s3 := (29,30);;
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,
s0*s3*s0*s3, s1*s3*s1*s3, s2*s3*s2*s3,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s0*s1*s2*s0*s1*s0*s1*s2*s0*s1*s2*s0*s1*s0*s1,
s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s0*s2*s1*s0*s2*s1*s0*s2 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(30)!( 2, 3)( 6, 7)(10,11)(14,15)(18,19)(22,23)(26,27);
s1 := Sym(30)!( 3, 4)( 5,25)( 6,26)( 7,28)( 8,27)( 9,21)(10,22)(11,24)(12,23)
(13,17)(14,18)(15,20)(16,19);
s2 := Sym(30)!( 1, 8)( 2, 7)( 3, 6)( 4, 5)( 9,28)(10,27)(11,26)(12,25)(13,24)
(14,23)(15,22)(16,21)(17,20)(18,19);
s3 := Sym(30)!(29,30);
poly := sub<Sym(30)|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, s0*s3*s0*s3, s1*s3*s1*s3,
s2*s3*s2*s3, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s0*s1*s2*s0*s1*s0*s1*s2*s0*s1*s2*s0*s1*s0*s1,
s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s0*s2*s1*s0*s2*s1*s0*s2 >;
to this polytope