A subgroup H of a group G is said to be pronormal in G if each of its conjugates in G is already conjugate to it in the subgroup . Extending the well-known class of metahamiltonian groups, we study soluble groups in which every subgroup is abelian or pronormal.
"Groups whose subgroups are either abelian or pronormal." Kyoto J. Math. 63 (3) 471 - 500, August 2023. https://doi.org/10.1215/21562261-10607307