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Groups and FieldsChallengeDirect Products and Finite Abelian Groups

Direct Products and Finite Abelian Groups · Challenge problem

A finite abelian group has invariant factors 1212 and 360360 (so G≅Z12×Z360G \cong \mathbb Z_{12}\times\mathbb Z_{360}). How many elements of order exactly 1212 does GG have?