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Polytope of Type {8,12,2}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {8,12,2}*384b
if this polytope has a name.
Group : SmallGroup(384,11560)
Rank : 4
Schlafli Type : {8,12,2}
Number of vertices, edges, etc : 8, 48, 12, 2
Order of s0s1s2s3 : 24
Order of s0s1s2s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{8,12,2,2} of size 768
{8,12,2,3} of size 1152
{8,12,2,5} of size 1920
Vertex Figure Of :
{2,8,12,2} of size 768
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {4,12,2}*192a
3-fold quotients : {8,4,2}*128b
4-fold quotients : {2,12,2}*96, {4,6,2}*96a
6-fold quotients : {4,4,2}*64
8-fold quotients : {2,6,2}*48
12-fold quotients : {2,4,2}*32, {4,2,2}*32
16-fold quotients : {2,3,2}*24
24-fold quotients : {2,2,2}*16
Covers (Minimal Covers in Boldface) :
2-fold covers : {8,12,2}*768a, {8,24,2}*768b, {8,24,2}*768d, {8,12,4}*768b
3-fold covers : {8,36,2}*1152b, {8,12,6}*1152d, {8,12,6}*1152e, {24,12,2}*1152d, {24,12,2}*1152f
5-fold covers : {8,60,2}*1920b, {8,12,10}*1920b, {40,12,2}*1920b
Permutation Representation (GAP) :
s0 := ( 1,13)( 2,14)( 3,15)( 4,16)( 5,17)( 6,18)( 7,22)( 8,23)( 9,24)(10,19)
(11,20)(12,21);;
s1 := ( 2, 3)( 5, 6)( 7,10)( 8,12)( 9,11)(13,19)(14,21)(15,20)(16,22)(17,24)
(18,23);;
s2 := ( 1, 2)( 4, 5)( 7,11)( 8,10)( 9,12)(13,14)(16,17)(19,23)(20,22)(21,24);;
s3 := (25,26);;
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, s2*s3*s2*s3,
s2*s0*s1*s0*s1*s2*s0*s1*s0*s1, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(26)!( 1,13)( 2,14)( 3,15)( 4,16)( 5,17)( 6,18)( 7,22)( 8,23)( 9,24)
(10,19)(11,20)(12,21);
s1 := Sym(26)!( 2, 3)( 5, 6)( 7,10)( 8,12)( 9,11)(13,19)(14,21)(15,20)(16,22)
(17,24)(18,23);
s2 := Sym(26)!( 1, 2)( 4, 5)( 7,11)( 8,10)( 9,12)(13,14)(16,17)(19,23)(20,22)
(21,24);
s3 := Sym(26)!(25,26);
poly := sub<Sym(26)|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,
s2*s3*s2*s3, s2*s0*s1*s0*s1*s2*s0*s1*s0*s1,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >;
to this polytope