• closedAccess   Existence of normal Hall subgroups by means of orders of products 

      Beltrán, Antonio; Sáez, Azahara Wiley-VCH Verlag (2018)
      Let G be a finite group, let π be a set of primes and let p be a prime. We characterize the existence of a normal Hall π‐subgroup in G in terms of the order of products of certain elements of G. This theorem generalizes a ...