Abstract
Let G be a finite group. We fix in every noncyclic Sylow subgroup P of G some subgroup D satisfying 1 < |D| < |P| and study the structure of G under the assumption that all subgroups H of P with |H| = |D| are c-normal in G.
AMS Mathematics Subject Classification (2000):
ACKNOWLEDGMENT
The authors are grateful to the referee helpful suggestions.
Notes
Communicated by A. Yu. Olshanskii.