Part of the Atlas of Small Regular Polytopes

Polytope of Type {3,12,12}

Atlas Canonical Name {3,12,12}*1920

Overview

Group
SmallGroup(1920,240844)
Rank
4
Schläfli Type
{3,12,12}
Vertices, edges, …
5, 40, 160, 20
Order of s0s1s2s3
20
Order of s0s1s2s3s2s1
12
Also known as
if this polytope has a name.

Special Properties

  • Orientable

Quotients maximal quotients in bold

2-fold

4-fold

8-fold

16-fold

Covers minimal covers in bold

None in this atlas.

Irregular Quotients of which this is a minimal cover

None.

Representations

Permutation Representation (GAP)
s0 := ( 1,38)( 2,33)( 3,21)( 4,36)( 5,19)( 6,34)( 7,17)( 8,22)( 9,32)(10,16)(11,30)(12,26)(13,20)(14,39)(15,37)(18,23)(24,40)(25,35)(29,31);;
s1 := ( 2,11)( 3, 7)( 4,24)( 5,39)( 6,30)( 8,22)( 9,26)(10,14)(12,25)(13,40)(15,21)(16,19)(17,37)(18,28)(20,36)(27,38)(29,31)(32,35)(33,34);;
s2 := ( 1,37)( 2,36)( 3,39)( 4,33)( 5,32)( 6,29)( 7,25)( 8,40)( 9,19)(10,16)(12,23)(14,21)(15,38)(17,35)(18,26)(22,24)(31,34)(42,44);;
s3 := ( 1,23)( 2,21)( 3,33)( 4,32)( 6,17)( 7,34)( 8,22)( 9,36)(11,15)(12,13)(18,38)(20,26)(24,35)(25,40)(27,28)(29,31)(30,37)(41,44)(42,43);;
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, s0*s1*s0*s1*s0*s1, 
s1*s2*s3*s2*s3*s2*s1*s2*s3*s2*s3*s2, 
s2*s0*s1*s2*s1*s2*s1*s2*s0*s1*s2*s1*s2*s1, 
s2*s0*s1*s2*s1*s0*s3*s2*s3*s1*s2*s3*s1*s2*s3*s2*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma)
s0 := Sym(44)!( 1,38)( 2,33)( 3,21)( 4,36)( 5,19)( 6,34)( 7,17)( 8,22)( 9,32)(10,16)(11,30)(12,26)(13,20)(14,39)(15,37)(18,23)(24,40)(25,35)(29,31);
s1 := Sym(44)!( 2,11)( 3, 7)( 4,24)( 5,39)( 6,30)( 8,22)( 9,26)(10,14)(12,25)(13,40)(15,21)(16,19)(17,37)(18,28)(20,36)(27,38)(29,31)(32,35)(33,34);
s2 := Sym(44)!( 1,37)( 2,36)( 3,39)( 4,33)( 5,32)( 6,29)( 7,25)( 8,40)( 9,19)(10,16)(12,23)(14,21)(15,38)(17,35)(18,26)(22,24)(31,34)(42,44);
s3 := Sym(44)!( 1,23)( 2,21)( 3,33)( 4,32)( 6,17)( 7,34)( 8,22)( 9,36)(11,15)(12,13)(18,38)(20,26)(24,35)(25,40)(27,28)(29,31)(30,37)(41,44)(42,43);
poly := sub<Sym(44)|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, 
s0*s1*s0*s1*s0*s1, s1*s2*s3*s2*s3*s2*s1*s2*s3*s2*s3*s2, 
s2*s0*s1*s2*s1*s2*s1*s2*s0*s1*s2*s1*s2*s1, 
s2*s0*s1*s2*s1*s0*s3*s2*s3*s1*s2*s3*s1*s2*s3*s2*s0*s1 >; 

References

None.

to this polytope.