Questions?
See the FAQ
or other info.

# Polytope of Type {2,4,4,2}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,4,4,2}*576
if this polytope has a name.
Group : SmallGroup(576,8666)
Rank : 5
Schlafli Type : {2,4,4,2}
Number of vertices, edges, etc : 2, 18, 36, 18, 2
Order of s0s1s2s3s4 : 6
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Self-Dual
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{2,4,4,2,2} of size 1152
{2,4,4,2,3} of size 1728
Vertex Figure Of :
{2,2,4,4,2} of size 1152
{3,2,4,4,2} of size 1728
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {2,4,4,2}*288
18-fold quotients : {2,2,2,2}*32
Covers (Minimal Covers in Boldface) :
2-fold covers : {2,4,4,2}*1152, {2,4,4,4}*1152a, {4,4,4,2}*1152b
3-fold covers : {2,4,12,2}*1728a, {2,12,4,2}*1728a, {2,4,4,6}*1728b, {2,4,12,2}*1728b, {2,12,4,2}*1728b, {6,4,4,2}*1728b
Permutation Representation (GAP) :
```s0 := (1,2);;
s1 := ( 6, 9)( 7,10)( 8,11)(15,18)(16,19)(17,20)(24,27)(25,28)(26,29)(33,36)
(34,37)(35,38)(39,48)(40,49)(41,50)(42,54)(43,55)(44,56)(45,51)(46,52)(47,53)
(57,66)(58,67)(59,68)(60,72)(61,73)(62,74)(63,69)(64,70)(65,71);;
s2 := ( 3,39)( 4,42)( 5,45)( 6,40)( 7,43)( 8,46)( 9,41)(10,44)(11,47)(12,48)
(13,51)(14,54)(15,49)(16,52)(17,55)(18,50)(19,53)(20,56)(21,57)(22,60)(23,63)
(24,58)(25,61)(26,64)(27,59)(28,62)(29,65)(30,66)(31,69)(32,72)(33,67)(34,70)
(35,73)(36,68)(37,71)(38,74);;
s3 := ( 3,31)( 4,30)( 5,32)( 6,34)( 7,33)( 8,35)( 9,37)(10,36)(11,38)(12,22)
(13,21)(14,23)(15,25)(16,24)(17,26)(18,28)(19,27)(20,29)(39,58)(40,57)(41,59)
(42,61)(43,60)(44,62)(45,64)(46,63)(47,65)(48,67)(49,66)(50,68)(51,70)(52,69)
(53,71)(54,73)(55,72)(56,74);;
s4 := (75,76);;
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,
s0*s4*s0*s4, s1*s4*s1*s4, s2*s4*s2*s4,
s3*s4*s3*s4, s1*s2*s1*s2*s1*s2*s1*s2,
s2*s3*s2*s3*s2*s3*s2*s3, s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2 ];;
poly := F / rels;;

```
Permutation Representation (Magma) :
```s0 := Sym(76)!(1,2);
s1 := Sym(76)!( 6, 9)( 7,10)( 8,11)(15,18)(16,19)(17,20)(24,27)(25,28)(26,29)
(33,36)(34,37)(35,38)(39,48)(40,49)(41,50)(42,54)(43,55)(44,56)(45,51)(46,52)
(47,53)(57,66)(58,67)(59,68)(60,72)(61,73)(62,74)(63,69)(64,70)(65,71);
s2 := Sym(76)!( 3,39)( 4,42)( 5,45)( 6,40)( 7,43)( 8,46)( 9,41)(10,44)(11,47)
(12,48)(13,51)(14,54)(15,49)(16,52)(17,55)(18,50)(19,53)(20,56)(21,57)(22,60)
(23,63)(24,58)(25,61)(26,64)(27,59)(28,62)(29,65)(30,66)(31,69)(32,72)(33,67)
(34,70)(35,73)(36,68)(37,71)(38,74);
s3 := Sym(76)!( 3,31)( 4,30)( 5,32)( 6,34)( 7,33)( 8,35)( 9,37)(10,36)(11,38)
(12,22)(13,21)(14,23)(15,25)(16,24)(17,26)(18,28)(19,27)(20,29)(39,58)(40,57)
(41,59)(42,61)(43,60)(44,62)(45,64)(46,63)(47,65)(48,67)(49,66)(50,68)(51,70)
(52,69)(53,71)(54,73)(55,72)(56,74);
s4 := Sym(76)!(75,76);
poly := sub<Sym(76)|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, s0*s4*s0*s4,
s1*s4*s1*s4, s2*s4*s2*s4, s3*s4*s3*s4,
s1*s2*s1*s2*s1*s2*s1*s2, s2*s3*s2*s3*s2*s3*s2*s3,
s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2 >;

```

to this polytope