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Polytope of Type {20,2,12,2}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {20,2,12,2}*1920
if this polytope has a name.
Group : SmallGroup(1920,208164)
Rank : 5
Schlafli Type : {20,2,12,2}
Number of vertices, edges, etc : 20, 20, 12, 12, 2
Order of s0s1s2s3s4 : 60
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
None in this Atlas
Vertex Figure Of :
None in this Atlas
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {10,2,12,2}*960, {20,2,6,2}*960
3-fold quotients : {20,2,4,2}*640
4-fold quotients : {5,2,12,2}*480, {20,2,3,2}*480, {10,2,6,2}*480
5-fold quotients : {4,2,12,2}*384
6-fold quotients : {20,2,2,2}*320, {10,2,4,2}*320
8-fold quotients : {5,2,6,2}*240, {10,2,3,2}*240
10-fold quotients : {2,2,12,2}*192, {4,2,6,2}*192
12-fold quotients : {5,2,4,2}*160, {10,2,2,2}*160
15-fold quotients : {4,2,4,2}*128
16-fold quotients : {5,2,3,2}*120
20-fold quotients : {4,2,3,2}*96, {2,2,6,2}*96
24-fold quotients : {5,2,2,2}*80
30-fold quotients : {2,2,4,2}*64, {4,2,2,2}*64
40-fold quotients : {2,2,3,2}*48
60-fold quotients : {2,2,2,2}*32
Covers (Minimal Covers in Boldface) :
None in this atlas.
Permutation Representation (GAP) :
s0 := ( 2, 3)( 4, 5)( 7,10)( 8, 9)(11,12)(13,14)(15,18)(16,17)(19,20);;
s1 := ( 1, 7)( 2, 4)( 3,13)( 5,15)( 6, 9)( 8,11)(10,19)(12,16)(14,17)(18,20);;
s2 := (22,23)(24,25)(27,30)(28,29)(31,32);;
s3 := (21,27)(22,24)(23,31)(25,28)(26,29)(30,32);;
s4 := (33,34);;
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*s2*s0*s2,
s1*s2*s1*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, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(34)!( 2, 3)( 4, 5)( 7,10)( 8, 9)(11,12)(13,14)(15,18)(16,17)(19,20);
s1 := Sym(34)!( 1, 7)( 2, 4)( 3,13)( 5,15)( 6, 9)( 8,11)(10,19)(12,16)(14,17)
(18,20);
s2 := Sym(34)!(22,23)(24,25)(27,30)(28,29)(31,32);
s3 := Sym(34)!(21,27)(22,24)(23,31)(25,28)(26,29)(30,32);
s4 := Sym(34)!(33,34);
poly := sub<Sym(34)|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*s2*s0*s2, s1*s2*s1*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,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 >;
to this polytope