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Polytope of Type {2,9,4,2,2,3}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,9,4,2,2,3}*1728
if this polytope has a name.
Group : SmallGroup(1728,46115)
Rank : 7
Schlafli Type : {2,9,4,2,2,3}
Number of vertices, edges, etc : 2, 9, 18, 4, 2, 3, 3
Order of s0s1s2s3s4s5s6 : 18
Order of s0s1s2s3s4s5s6s5s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Non-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) :
3-fold quotients : {2,3,4,2,2,3}*576
Covers (Minimal Covers in Boldface) :
None in this atlas.
Permutation Representation (GAP) :
s0 := (1,2);;
s1 := ( 3, 4)( 5, 8)( 6, 7)( 9,17)(10,16)(11,18)(12,14)(13,15)(19,25)(20,26)
(21,23)(22,24)(27,33)(28,34)(29,31)(30,32)(35,38)(36,37);;
s2 := ( 3, 7)( 4, 5)( 6,14)( 8,10)( 9,11)(12,23)(13,24)(15,17)(16,19)(18,20)
(21,31)(22,32)(25,27)(26,28)(29,33)(30,37)(34,35)(36,38);;
s3 := ( 3,17)( 4, 9)( 5,11)( 8,18)(12,22)(14,24)(19,28)(21,30)(23,32)(25,34)
(27,35)(33,38);;
s4 := (39,40);;
s5 := (42,43);;
s6 := (41,42);;
poly := Group([s0,s1,s2,s3,s4,s5,s6]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2","s3","s4","s5","s6");;
s0 := F.1;; s1 := F.2;; s2 := F.3;; s3 := F.4;; s4 := F.5;; s5 := F.6;; s6 := F.7;;
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s4*s4, s5*s5,
s6*s6, s0*s1*s0*s1, s0*s2*s0*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, s0*s5*s0*s5,
s1*s5*s1*s5, s2*s5*s2*s5, s3*s5*s3*s5,
s4*s5*s4*s5, s0*s6*s0*s6, s1*s6*s1*s6,
s2*s6*s2*s6, s3*s6*s3*s6, s4*s6*s4*s6,
s5*s6*s5*s6*s5*s6, s2*s3*s2*s3*s2*s3*s2*s3,
s3*s2*s1*s3*s2*s3*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(43)!(1,2);
s1 := Sym(43)!( 3, 4)( 5, 8)( 6, 7)( 9,17)(10,16)(11,18)(12,14)(13,15)(19,25)
(20,26)(21,23)(22,24)(27,33)(28,34)(29,31)(30,32)(35,38)(36,37);
s2 := Sym(43)!( 3, 7)( 4, 5)( 6,14)( 8,10)( 9,11)(12,23)(13,24)(15,17)(16,19)
(18,20)(21,31)(22,32)(25,27)(26,28)(29,33)(30,37)(34,35)(36,38);
s3 := Sym(43)!( 3,17)( 4, 9)( 5,11)( 8,18)(12,22)(14,24)(19,28)(21,30)(23,32)
(25,34)(27,35)(33,38);
s4 := Sym(43)!(39,40);
s5 := Sym(43)!(42,43);
s6 := Sym(43)!(41,42);
poly := sub<Sym(43)|s0,s1,s2,s3,s4,s5,s6>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2,s3,s4,s5,s6> := Group< s0,s1,s2,s3,s4,s5,s6 | s0*s0, s1*s1, s2*s2,
s3*s3, s4*s4, s5*s5, s6*s6, s0*s1*s0*s1,
s0*s2*s0*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, s0*s5*s0*s5, s1*s5*s1*s5,
s2*s5*s2*s5, s3*s5*s3*s5, s4*s5*s4*s5,
s0*s6*s0*s6, s1*s6*s1*s6, s2*s6*s2*s6,
s3*s6*s3*s6, s4*s6*s4*s6, s5*s6*s5*s6*s5*s6,
s2*s3*s2*s3*s2*s3*s2*s3, s3*s2*s1*s3*s2*s3*s2*s1*s2,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >;
to this polytope