Solubility of finite groups admitting a fixed-point-free automorphism of order rst, II
نویسندگان
چکیده
منابع مشابه
Finite Groups Admitting a Fixed-Point-Free Automorphism of Order 4
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متن کاملFinite Fixed Point Free Automorphism Groups
Preface A famous theorem by Frobenius in 1901 proves that if a group G contains a proper non trivial subgroup H such that H ∩ g −1 Hg = {1 G } for all g ∈ G \ H, then there exists a normal subgroup N such that G is the semidirect product of N and H. Groups with this property-the so called Frobenius groups-arise in a natural way as transitive permutation groups, but they can also be characterize...
متن کاملSolvable Groups Admitting a Fixed-point-free Automorphism of Prime Power Order
Here h(G), the Fitting height (also called the nilpotent length) of G, is as defined in [7]. P(G), the 7t-length of G, is defined in an obvious analogy to the definition of ^-length in [2]. Higman [3] proved Theorem 1 in the case w = l (subsequently, without making any assumptions on the solvability of G, Thompson [6] obtained the same result). Hoffman [4] and Shult [5] proved Theorem 1 provide...
متن کاملFinite Groups with Fixed-point-free Automorphisms of Prime Order.
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متن کاملA Generalized Fixed Point Free Automorphism of Prime Power Order
Let G be a finite group and α be an automorphism of G of order p n for an odd prime p. Suppose that α acts fixed point freely on every α-invariant p-section of G, and acts trivially or exceptionally on every elementary abelian α-invariant p-section of G. It is proved that G is a solvable p-nilpotent group of nilpotent length at most n + 1, and this bound is best possible.
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ژورنال
عنوان ژورنال: Journal of Algebra
سال: 1983
ISSN: 0021-8693
DOI: 10.1016/0021-8693(83)90222-3