Polytopes of Type {20,18}

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

There are 3 polytopes of this type in this atlas. They are :
  1. {20,18}*720a (SmallGroup(720,137))
  2. {20,18}*720b (SmallGroup(720,394))
  3. {20,18}*1440 (SmallGroup(1440,4569))