Finite groups with a system of nilpotent subgroups
Let \(G\) be a finite group, \(p\) a fixed prime number and \(P\) a Sylow \(p\)- subgroup of \(G\). Let \({\mathcal J}(G) = \{M \mid M \text{ is a proper subgroup of }G\) such that
scientific article; zbMATH DE number 493268