Part of the Atlas of Small Regular Polytopes

Polytope of Type {3,12,4}

Atlas Canonical Name {3,12,4}*1728b

Overview

Group
SmallGroup(1728,47847)
Rank
4
Schläfli Type
{3,12,4}
Vertices, edges, …
6, 108, 144, 12
Order of s0s1s2s3
12
Order of s0s1s2s3s2s1
6
Also known as
if this polytope has a name.

Special Properties

  • Orientable
  • Flat

Quotients maximal quotients in bold

4-fold

9-fold

18-fold

36-fold

72-fold

Covers minimal covers in bold

None in this atlas.

Irregular Quotients of which this is a minimal cover

Click an entry to reveal its facets and vertex figures.

P/N, where N=<s0*s1*s2*s1*s0*(s2*s1)^2*s2> of order 2

12 facets

4 vertex figures

P/N, where N=<(s1*s2*s3*s2)^2> of order 3

4 facets

6 vertex figures

P/N, where N=<s1*s3*(s2*s1)^3*s2*s3> of order 3

8 facets

6 vertex figures

P/N, where N=<s0*s1*s0*s3*s2*s1*s0*s2*s1*s3> of order 6

8 facets

  • 2 of 2-fold non-regular quotient of {3,12}*144
  • 6 of 2-fold non-regular quotient of {3,4}*48

4 vertex figures

P/N, where N=<(s1*s2*s3*s2)^2, s0*s1*s2*s1*s0*(s2*s1)^2*s2> of order 6

4 facets

4 vertex figures

Representations

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

References

None.

to this polytope.