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Polytope of Type {2,7,2,28}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,7,2,28}*1568
if this polytope has a name.
Group : SmallGroup(1568,851)
Rank : 5
Schlafli Type : {2,7,2,28}
Number of vertices, edges, etc : 2, 7, 7, 28, 28
Order of s0s1s2s3s4 : 28
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 : {2,7,2,14}*784
4-fold quotients : {2,7,2,7}*392
7-fold quotients : {2,7,2,4}*224
14-fold quotients : {2,7,2,2}*112
Covers (Minimal Covers in Boldface) :
None in this atlas.
Permutation Representation (GAP) :
s0 := (1,2);;
s1 := (4,5)(6,7)(8,9);;
s2 := (3,4)(5,6)(7,8);;
s3 := (11,12)(13,14)(16,19)(17,18)(20,21)(22,23)(24,27)(25,26)(28,29)(30,31)
(32,35)(33,34)(36,37);;
s4 := (10,16)(11,13)(12,22)(14,24)(15,18)(17,20)(19,30)(21,32)(23,26)(25,28)
(27,36)(29,33)(31,34)(35,37);;
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*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*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(37)!(1,2);
s1 := Sym(37)!(4,5)(6,7)(8,9);
s2 := Sym(37)!(3,4)(5,6)(7,8);
s3 := Sym(37)!(11,12)(13,14)(16,19)(17,18)(20,21)(22,23)(24,27)(25,26)(28,29)
(30,31)(32,35)(33,34)(36,37);
s4 := Sym(37)!(10,16)(11,13)(12,22)(14,24)(15,18)(17,20)(19,30)(21,32)(23,26)
(25,28)(27,36)(29,33)(31,34)(35,37);
poly := sub<Sym(37)|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*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*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