Polytopes of Type {2,2,20,4}

This page is part of the Atlas of Small Regular Polytopes
(See Other Polytopes of Rank 5)

There are 2 polytopes of this type in this atlas. They are :
  1. {2,2,20,4}*640 (SmallGroup(640,19674)) (Universal)
  2. {2,2,20,4}*1280 (SmallGroup(1280,1036282)) (Universal)