Criterions of Supersolubility for Products of Supersoluble Groups-permutable) with T in G if there exists an element
x ∈ G such that
HT
x = T
xH. If H is c-permutable with T in < H
Conditionally Permutable Subgroups and Supersolubility of Finite Groups-permutable) subgroup in G if for every subgroup T of G there exists an element
x ∈ G such that HT ͯ = Tˣ H. If H is c