Questions?
See the FAQ
or other info.

# Polytope of Type {5,6}

Atlas Canonical Name : {5,6}*240a
Also Known As : {5,6}4if this polytope has another name.
Group : SmallGroup(240,189)
Rank : 3
Schlafli Type : {5,6}
Number of vertices, edges, etc : 20, 60, 24
Order of s0s1s2 : 4
Order of s0s1s2s1 : 4
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Orientable
Related Polytopes :
Facet
Vertex Figure
Dual
Petrial
Facet Of :
{5,6,2} of size 480
{5,6,4} of size 960
{5,6,6} of size 1440
{5,6,8} of size 1920
Vertex Figure Of :
{2,5,6} of size 480
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {5,6}*120a
Covers (Minimal Covers in Boldface) :
2-fold covers : {5,6}*480, {10,6}*480a, {10,6}*480b
3-fold covers : {15,6}*720a, {15,6}*720b
4-fold covers : {10,6}*960a, {10,12}*960a, {20,6}*960a, {20,6}*960b, {10,12}*960b
5-fold covers : {5,6}*1200a, {5,30}*1200a
6-fold covers : {15,6}*1440a, {15,6}*1440b, {30,6}*1440a, {30,6}*1440b, {10,6}*1440e, {30,6}*1440c, {30,6}*1440d
7-fold covers : {35,6}*1680b
8-fold covers : {20,12}*1920f, {10,24}*1920c, {40,6}*1920e, {10,12}*1920b, {20,12}*1920h, {10,24}*1920e, {20,12}*1920i, {20,12}*1920j, {20,6}*1920c, {40,6}*1920g
Permutation Representation (GAP) :
```s0 := (2,3)(4,5)(6,7);;
s1 := (1,2)(3,4)(6,7);;
s2 := (4,5);;
poly := Group([s0,s1,s2]);;

```
Finitely Presented Group Representation (GAP) :
```F := FreeGroup("s0","s1","s2");;
s0 := F.1;;  s1 := F.2;;  s2 := F.3;;
rels := [ s0*s0, s1*s1, s2*s2, s0*s2*s0*s2, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 ];;
poly := F / rels;;

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

```
Finitely Presented Group Representation (Magma) :
```poly<s0,s1,s2> := Group< s0,s1,s2 | s0*s0, s1*s1, s2*s2,
s0*s2*s0*s2, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >;

```
References : None.
to this polytope