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From hlut- (partial, sub) +‎ grúpa (group), confer hluti (a part).


hlutgrúpa f (genitive singular hlutgrúpu, nominative plural hlutgrúpur)

  1. (group theory) a subgroup; (given a group G under a binary operation *, a subset H of G is called a subgroup of G if H also forms a group under the operation *. More precisely, H is a subgroup of G if the restriction of * to H x H is a group operation on HHG)

Derived terms[edit]