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# Polytope of Type {4,6,2}

Atlas Canonical Name : {4,6,2}*480c
if this polytope has a name.
Group : SmallGroup(480,1186)
Rank : 4
Schlafli Type : {4,6,2}
Number of vertices, edges, etc : 20, 60, 30, 2
Order of s0s1s2s3 : 10
Order of s0s1s2s3s2s1 : 2
Special Properties :
Degenerate
Universal
Non-Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{4,6,2,2} of size 960
{4,6,2,3} of size 1440
{4,6,2,4} of size 1920
Vertex Figure Of :
{2,4,6,2} of size 960
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {4,6,2}*240
Covers (Minimal Covers in Boldface) :
2-fold covers : {8,6,2}*960a, {8,6,2}*960b, {4,6,2}*960
3-fold covers : {4,6,2}*1440, {12,6,2}*1440a
4-fold covers : {4,12,2}*1920a, {4,6,4}*1920b, {4,6,2}*1920, {4,12,2}*1920b, {8,6,2}*1920a, {8,6,2}*1920b
Permutation Representation (GAP) :
```s0 := (4,5);;
s1 := (2,4)(3,5)(6,7);;
s2 := (1,2)(6,7);;
s3 := (8,9);;
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, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2 ];;
poly := F / rels;;

```
Permutation Representation (Magma) :
```s0 := Sym(9)!(4,5);
s1 := Sym(9)!(2,4)(3,5)(6,7);
s2 := Sym(9)!(1,2)(6,7);
s3 := Sym(9)!(8,9);
poly := sub<Sym(9)|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,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2 >;

```

to this polytope