Polytopes of Type {9,18}

This page is part of the Atlas of Small Chiral Polytopes
(See Other Polytopes of Rank 3)

There is 1 polytope of this type in this atlas. Its regular cover is :
  1. {9,18}*972a with automorphism group SmallGroup(972,99) = (C3 x C9) ⋊ (D9 x C2)