Abstract:Let 𝜎𝜎 = {𝜎𝜎 𝑖𝑖 |𝑖𝑖 ∈ 𝐼𝐼} be some partition of the set of all primes ℙ and G is a finite group. A group is said to be 𝜎𝜎-primary if it is a finite 𝜎𝜎 𝑖𝑖 -group for some 𝑖𝑖. A subgroup 𝐴𝐴 of𝐺𝐺is said to be 𝜎𝜎-subnormal in 𝐺𝐺 if there is a subgroup chain𝐵𝐵〉 for some modular subgroup 𝑀𝑀 and 𝜎𝜎-permutable subgroup 𝐵𝐵 of 𝐺𝐺. Following this, a subgroup 𝐻𝐻 of G is m-𝜎𝜎-embedded in 𝐺𝐺 if there exist an m-𝜎𝜎 -permutable subgroup S and a 𝜎𝜎 -subnormal subgroup T of 𝐺𝐺 such… Show more
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