Groups Whose Proper Quotients are Nilpotent-By-Finite

Maria De Falco
2002 Mathematical Proceedings of the Royal Irish Academy  
If X is a class of groups, a group G is said to be just-non-X if it is not in X but all its proper quotients are X-groups. A description of just-non-(nilpotent-by-finite) groups and just-non-(supersoluble-by-finite) groups is given in this paper. *
doi:10.3318/pria.2002.102.2.131 fatcat:o5vxwlb4fzcs5ogbrbtzkvycwq