Let F be a formation (of finite groups) containing all nilpotent groups such that any normal subgroup of any T-group in F and any subgroup of any soluble T-group in F belongs to F. A subgroup M of a finite group G is said ...
Arroyo Jordá, Milagros; Arroyo Jordá, Paz; Dark, R.; Feldman, A. D.; Pérez Ramos, M. D.(Springer-Verlag, 2022-08)
[EN] Let pi be a set of primes. We show that pi-separable groups have a conjugacy class of F-injectors for suitable Fitting classes F, which coincide with the usual ones when specializing to soluble groups.