On the Construction of the Finite Simple
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Gerhard O. Michler
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Article
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2000
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Elsevier Science
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English
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## dedicated to helmut wielandt on the occasion of his 90th birthday Let H be a finite group having center Z H of even order. By the classical Brauer-Fowler theorem there can be only finitely many non-isomorphic simple groups G which contain a 2-central involution t for which C G t โผ = H. In this