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# Polytope of Type {7,2,5,6}

Atlas Canonical Name : {7,2,5,6}*1680b
if this polytope has a name.
Group : SmallGroup(1680,931)
Rank : 5
Schlafli Type : {7,2,5,6}
Number of vertices, edges, etc : 7, 7, 10, 30, 12
Order of s0s1s2s3s4 : 35
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Non-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 : {7,2,5,3}*840
Covers (Minimal Covers in Boldface) :
None in this atlas.
Permutation Representation (GAP) :
```s0 := (2,3)(4,5)(6,7);;
s1 := (1,2)(3,4)(5,6);;
s2 := ( 9,16)(11,19)(12,14)(13,15);;
s3 := (10,12)(11,18)(13,19)(14,16);;
s4 := ( 8,18)( 9,16)(10,17)(11,12)(13,15)(14,19);;
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,
s1*s2*s1*s2, s0*s3*s0*s3, s1*s3*s1*s3,
s0*s4*s0*s4, s1*s4*s1*s4, s2*s4*s2*s4,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3, s2*s3*s4*s3*s4*s3*s2*s3*s4*s3*s4*s3,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s4*s3*s2*s3*s2*s4*s3*s2*s3*s2*s4*s3*s2*s3 ];;
poly := F / rels;;

```
Permutation Representation (Magma) :
```s0 := Sym(19)!(2,3)(4,5)(6,7);
s1 := Sym(19)!(1,2)(3,4)(5,6);
s2 := Sym(19)!( 9,16)(11,19)(12,14)(13,15);
s3 := Sym(19)!(10,12)(11,18)(13,19)(14,16);
s4 := Sym(19)!( 8,18)( 9,16)(10,17)(11,12)(13,15)(14,19);
poly := sub<Sym(19)|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, s1*s2*s1*s2,
s0*s3*s0*s3, s1*s3*s1*s3, s0*s4*s0*s4,
s1*s4*s1*s4, s2*s4*s2*s4, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3,
s2*s3*s4*s3*s4*s3*s2*s3*s4*s3*s4*s3,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s4*s3*s2*s3*s2*s4*s3*s2*s3*s2*s4*s3*s2*s3 >;

```

to this polytope