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Polytope of Type {2,7,2,8,4}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,7,2,8,4}*1792a
if this polytope has a name.
Group : SmallGroup(1792,1035859)
Rank : 6
Schlafli Type : {2,7,2,8,4}
Number of vertices, edges, etc : 2, 7, 7, 8, 16, 4
Order of s0s1s2s3s4s5 : 56
Order of s0s1s2s3s4s5s4s3s2s1 : 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 : {2,7,2,4,4}*896, {2,7,2,8,2}*896
4-fold quotients : {2,7,2,2,4}*448, {2,7,2,4,2}*448
8-fold quotients : {2,7,2,2,2}*224
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)(13,15)(14,17)(18,20)(19,21)(22,24);;
s4 := (10,11)(12,14)(13,16)(15,18)(17,19)(20,22)(21,23)(24,25);;
s5 := (11,13)(12,15)(19,22)(21,24);;
poly := Group([s0,s1,s2,s3,s4,s5]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2","s3","s4","s5");;
s0 := F.1;; s1 := F.2;; s2 := F.3;; s3 := F.4;; s4 := F.5;; s5 := F.6;;
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s4*s4, s5*s5,
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, s0*s5*s0*s5,
s1*s5*s1*s5, s2*s5*s2*s5, s3*s5*s3*s5,
s3*s4*s5*s4*s3*s4*s5*s4, s4*s5*s4*s5*s4*s5*s4*s5,
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 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(25)!(1,2);
s1 := Sym(25)!(4,5)(6,7)(8,9);
s2 := Sym(25)!(3,4)(5,6)(7,8);
s3 := Sym(25)!(11,12)(13,15)(14,17)(18,20)(19,21)(22,24);
s4 := Sym(25)!(10,11)(12,14)(13,16)(15,18)(17,19)(20,22)(21,23)(24,25);
s5 := Sym(25)!(11,13)(12,15)(19,22)(21,24);
poly := sub<Sym(25)|s0,s1,s2,s3,s4,s5>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2,s3,s4,s5> := Group< s0,s1,s2,s3,s4,s5 | s0*s0, s1*s1, s2*s2,
s3*s3, s4*s4, s5*s5, 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,
s0*s5*s0*s5, s1*s5*s1*s5, s2*s5*s2*s5,
s3*s5*s3*s5, s3*s4*s5*s4*s3*s4*s5*s4,
s4*s5*s4*s5*s4*s5*s4*s5, 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 >;
to this polytope