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Sylow 2-subgroups of rational solvable groups
Authors:I. M. Isaacs  Gabriel Navarro
Affiliation:1. Department of Mathematics, University of Wisconsin, 480 Lincoln Dr., Madison, WI, 53706, USA
2. Departament d’Algebra, Universitat de Valencia, 46100, Burjassot, Valencia, Spain
Abstract:A long-standing conjecture proposes that a Sylow 2-subgroup S of a finite rational group must be rational. In this paper we provide a counterexample to this conjecture, but we show that if G is solvable and S has nilpotence class 2, then S actually is rational.
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