# Semantic search

2-subnormal subgroup, Almost normal subgroup, Ascendant subgroup, Join of finitely many 2-subnormal subgroups, Join-transitively subnormal subgroup, Modular subgroup, Nearly normal subgroup, Paranormal subgroup, Permutable subgroup, Polynormal subgroup, Pronormal subgroup, Subgroup having a left transversal that is also a right transversal, Subnormal subgroup