Polytopes of Type {10,21}

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

There are 2 polytopes of this type in this atlas. They are :
  1. {10,21}*840 (SmallGroup(840,137))
  2. {10,21}*1680 (SmallGroup(1680,931))