Icelandic

Noun

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 H — H ≤ G)

Derived terms