 Latimer–MacDuffee theorem (source code)

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= Latimer–MacDuffee theorem
{wiki=Latimer–MacDuffee_theorem}

The Latimer–MacDuffee theorem is a result in the field of algebra, specifically concerning finite abelian groups and their decompositions. It states that any finite abelian group can be expressed as a direct sum of cyclic groups, and the number of different ways to express a finite abelian group as such a direct sum is given by a specific combinatorial expression related to its invariant factors.

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