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Polytopes of Type {4,6,21}

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

There are 2 polytopes of this type in this atlas. They are :
  1. {4,6,21}*1008 (SmallGroup(1008,797)) (Universal)
  2. {4,6,21}*1344 (SmallGroup(1344,11370)) (Universal)