Articles written in Proceedings – Mathematical Sciences
Volume 122 Issue 1 February 2012 pp 75-77
A subgroup 𝐻 of a finite group 𝐺 is called a TI-subgroup if $H\cap H^x=1$ or 𝐻 for any $x\in G$. In this short note, the finite groups all of whose nonabelian subgroups are TI-subgroups are classified.
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