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Hamiltonian Group




All Abelian Group s are Dedekind groups.
A non-abelian Dedekind group is called a Hamiltonian group, after William Rowan Hamilton .

The most familiar (and smallest) example of a Hamiltonian group is the Quaternion Group of order 8, denoted by ''Q''8.
It can be shown that every Hamiltonian group is a Direct Product of the form ''G'' = ''Q''8 × ''B'' × ''D'', where ''B'' is the direct sum of some number of copies of the Cyclic Group ''C''2, and ''D'' is a Periodic abelian group with all elements of odd order.