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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Examples of centralizers of automorphism groups
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by Alexandre Turull PDF
Proc. Amer. Math. Soc. 91 (1984), 537-539 Request permission

Abstract:

If $AG$ is a finite solvable group with $(\left | A \right |,\left | G \right |) = 1$ and $G \triangleleft AG$, we explore the relationship between the Fitting height of $G$, the composition length of $A$ and the structure of ${C_G}(A)$. For any $A$, we give examples where the difference between the Fitting height of $G$ and that of ${C_G}(A)$ is exactly twice the composition length of $A$.
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Additional Information
  • © Copyright 1984 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 91 (1984), 537-539
  • MSC: Primary 20D45; Secondary 20F28
  • DOI: https://doi.org/10.1090/S0002-9939-1984-0746084-3
  • MathSciNet review: 746084