▁subgroup ▁that ▁is ▁also ▁sub normal , ▁is ▁normal . ▁In ▁particular , ▁a ▁Sy low ▁subgroup ▁is ▁sub normal ▁if ▁and ▁only ▁if ▁it ▁is ▁normal . ▁ ▁Every ▁ 2 - sub normal ▁subgroup ▁is ▁a ▁conjug ate - per mutable ▁subgroup . ▁ ▁The ▁property ▁of ▁sub normal ity ▁is ▁trans itive , ▁that ▁is , ▁a ▁sub normal ▁subgroup ▁of ▁a ▁sub normal ▁subgroup ▁is ▁sub normal . ▁The ▁relation ▁of ▁sub normal ity ▁can ▁be ▁defined ▁as ▁the ▁trans itive ▁closure ▁of ▁the ▁relation ▁of ▁normal ity . ▁ ▁If ▁every ▁sub normal ▁subgroup ▁of ▁G ▁is ▁normal ▁in ▁G , ▁then ▁G ▁is ▁called ▁a ▁T - group . ▁ ▁See ▁also ▁Character istic ▁subgroup ▁Normal ▁core ▁Normal ▁closure ▁As c endant ▁subgroup ▁Des c endant ▁subgroup ▁Serial ▁subgroup ▁ ▁References ▁▁▁▁▁ ▁Category : Sub group ▁properties <0x0A> </s> ▁This ▁is ▁a ▁list ▁of ▁f igh ters ▁who ▁have ▁participated ▁in ▁the ▁P ride ▁Fight ing ▁Championships . ▁ ▁List ▁ ▁Notes ▁ ▁See ▁also ▁ ▁P ride ▁Fight ing ▁Championships ▁ ▁M ixed ▁mart ial ▁arts ▁ ▁List ▁of ▁P ride ▁events ▁ ▁List ▁of ▁P ride ▁champions ▁ ▁List ▁of ▁male ▁mixed ▁mart ial ▁artists ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : P ride ▁Fight ing ▁Championships ▁Category : List s ▁of ▁mixed ▁mart ial ▁artists <0x0A> </s> ▁The ▁Bour bon ▁bis c uit ▁() ▁is ▁a ▁sand wich ▁style ▁bis c uit ▁consisting ▁of ▁two ▁thin ▁rect angular ▁ ▁dark ▁ch oc olate