CCP-group

History
The notion of CCP-group was introduced and explored by Tuval Foguel in his article Groups with all Cyclic subgroups Conjugate - Permutable which appeared in the Journal of Group Theory, 2, no.1, (99), 47-52

Symbol-free definition
A group is termed a CCP-group or a cyclic subgroups are conjugate-permutable group if every cyclic subgroup is conjugate-permutable.