▁are ▁mostly ▁groups ▁of ▁Lie ▁type ▁over ▁a ▁field ▁of ▁odd ▁characteristic . ▁ ▁extended ▁the ▁classical ▁in volution ▁theorem ▁to ▁groups ▁of ▁finite ▁Mor ley ▁rank . ▁ ▁A ▁classical ▁in volution ▁t ▁of ▁a ▁finite ▁group ▁G ▁is ▁an ▁in volution ▁whose ▁central izer ▁has ▁a ▁sub normal ▁subgroup ▁containing ▁t ▁with ▁qu atern ion ▁Sy low ▁ 2 - sub groups . ▁ ▁References ▁ ▁Category : Fin ite ▁groups ▁Category : The or ems ▁in ▁group ▁theory <0x0A> </s> ▁Friedrich ▁Karl ▁B ied ermann ▁( 2 5 ▁September ▁ 1 8 1 2 ▁in ▁Leipzig , ▁Kingdom ▁of ▁Sax ony ▁– ▁ 5 ▁March ▁ 1 9 0 1 ) ▁was ▁a ▁German ▁professor , ▁politician , ▁and ▁publish er ▁who ▁greatly ▁a ided ▁the ▁Liberal ▁movement ▁in ▁Germany ▁during ▁the ▁process ▁of ▁German ▁Un ification . ▁ ▁Early ▁life ▁and ▁education ▁Friedrich ▁Karl ▁B ied ermann ▁was ▁born ▁in ▁Leipzig ▁on ▁September ▁ 2 5 , ▁ 1 8 1 2 . ▁ ▁He ▁lived ▁with ▁his ▁mother ▁and ▁his ▁father ▁is ▁the ▁source ▁of ▁much ▁spec ulation . ▁ ▁B ied ermann ▁was ▁an ▁av id ▁scholar ▁at ▁a ▁young ▁age ▁and ▁at ▁the ▁age ▁of ▁nine ▁he ▁entered ▁a ▁school ▁in ▁Dresden ▁that ▁was ▁run ▁by ▁Free ▁M asons . ▁B ier der mann ’ s ▁stay ▁was ▁so ▁tra um at izing ▁for ▁him ▁later ▁wrote ▁that ▁he ▁never ▁fully ▁recovered . ▁ ▁Richard ▁B az ill ion ▁suggests ▁that ▁his ▁hat red ▁of ▁ty