On the structure of some locally nilpotent groups without contranormal subgroups

Leonid A. Kurdachenko, Patrizia Longobardi, Mercede MAJ

Following J.S. Rose, a subgroup H of a group G is said contranormal in G if G = H^G . In a certain sense, contranormal subgroups are antipodes to subnormal subgroups. It is well kn…