the smallest integer n such that the group has a faithful operation on a set of order n: is (a) D4
What is direct product of groups?
The direct product, often written as G x H, is an operation used in group theory, a branch of mathematics, to create a new group from two existing ones. This operation, one of several crucial direct product concepts in mathematics, is the group-theoretic equivalent of the Cartesian product of sets.
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