Beltran, Antonio; Felipe Román, María Josefa; Malle, Gunter; Moreto Quintana, Alexander; Navarro Ortega, Gabriel; Sanus Vitoria, Lucia; Solomon, Ronald; Tiep, Pham Huu(American Mathematical Society, 2016-04)
[EN] We give a characterization of the finite groups having nilpotent or abelian Hall pi-subgroups that can easily be verified using the character table.