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Polytope of Type {3,2,8,4}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {3,2,8,4}*384a
if this polytope has a name.
Group : SmallGroup(384,12576)
Rank : 5
Schlafli Type : {3,2,8,4}
Number of vertices, edges, etc : 3, 3, 8, 16, 4
Order of s0s1s2s3s4 : 24
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{3,2,8,4,2} of size 768
Vertex Figure Of :
{2,3,2,8,4} of size 768
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {3,2,4,4}*192, {3,2,8,2}*192
4-fold quotients : {3,2,2,4}*96, {3,2,4,2}*96
8-fold quotients : {3,2,2,2}*48
Covers (Minimal Covers in Boldface) :
2-fold covers : {3,2,8,4}*768a, {3,2,8,8}*768b, {3,2,8,8}*768c, {3,2,16,4}*768a, {3,2,16,4}*768b, {6,2,8,4}*768a
3-fold covers : {9,2,8,4}*1152a, {3,2,8,12}*1152a, {3,6,8,4}*1152a, {3,2,24,4}*1152a
5-fold covers : {15,2,8,4}*1920a, {3,2,8,20}*1920a, {3,2,40,4}*1920a
Permutation Representation (GAP) :
s0 := (2,3);;
s1 := (1,2);;
s2 := ( 5, 6)( 7, 9)( 8,11)(12,14)(13,15)(16,18);;
s3 := ( 4, 5)( 6, 8)( 7,10)( 9,12)(11,13)(14,16)(15,17)(18,19);;
s4 := ( 5, 7)( 6, 9)(13,16)(15,18);;
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,
s0*s1*s0*s1*s0*s1, s2*s3*s4*s3*s2*s3*s4*s3,
s3*s4*s3*s4*s3*s4*s3*s4, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(19)!(2,3);
s1 := Sym(19)!(1,2);
s2 := Sym(19)!( 5, 6)( 7, 9)( 8,11)(12,14)(13,15)(16,18);
s3 := Sym(19)!( 4, 5)( 6, 8)( 7,10)( 9,12)(11,13)(14,16)(15,17)(18,19);
s4 := Sym(19)!( 5, 7)( 6, 9)(13,16)(15,18);
poly := sub<Sym(19)|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, s0*s1*s0*s1*s0*s1,
s2*s3*s4*s3*s2*s3*s4*s3, s3*s4*s3*s4*s3*s4*s3*s4,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3 >;
to this polytope