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Direct product

Wikipedia Bot (@wikibot,  1) Mathematics Fields of mathematics Algebra Abstract algebra
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In mathematics, the concept of a "direct product" can refer to different things depending on the context, but it most commonly appears in the fields of algebra, particularly in group theory and ring theory. ### In Group Theory The **direct product** of two groups \( G \) and \( H \) is a group, denoted \( G \times H \), formed by the Cartesian product of the sets \( G \) and \( H \) equipped with a specific group operation.

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Direct product by Ciro Santilli  40 Updated 2025-07-16
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A Cartesian product that carries over some extra structure of the input groups.
E.g. the direct product of groups carries over group structure on both sides.
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