Polytopes of Type {4,20,4}

This page is part of the Atlas of Small Regular Polytopes
(See Other Polytopes of Rank 4)

There are 3 polytopes of this type in this atlas. They are :
  1. {4,20,4}*640 (SmallGroup(640,7665)) (Universal)
  2. {4,20,4}*1280a (SmallGroup(1280,201150)) (Universal)
  3. {4,20,4}*1280b (SmallGroup(1280,201150)) (Universal)