Revision history of "Perfect 2-subnormal subgroup"

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  • (cur | prev) 19:00, 30 March 2009Vipul (talk | contribs). . (575 bytes) (+575). . (Created page with '{{group-subgroup property conjunction|2-subnormal subgroup|perfect group}} ==Definition== A subgroup of a group is termed a '''perfect 2-subnormal subgroup''' if it is ...')