MMN-785
Finite groups in which some particular subgroups are TI-subgroups
Abstract
We prove that G is a group in which all noncyclic subgroups are TI-subgroups if and
only if all noncyclic subgroups of G are normal in G. Moreover, we classify groups in which all
subgroups of even order are TI-subgroups.
Vol. 14 (2013), No. 3, pp. 1037-1040
DOI: 10.18514/MMN.2013.785