Published March 6, 2025
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Local conjugacy and primary-type decompositions in nonabelian cohomology
Description
In 1979, Losey and Stonehewer (Warwick) introduced local conjugacy and provided some conditions under which locally conjugate complements J & J' to a normal nilpotent subgroup N must be conjugate. We will interpret their results in the language of nonabelian group cohomology and relate them to the existence of a primary-type decomposition of the first cohomology set H^1(J,N). We will cover the cases: N is abelian, J is nilpotent, and N⋊J is supersoluble. This decomposition will also provide us with an inclusion-based version of their result. We will motivate our discussion in terms of fixed point results in the style of Glauberman (Chicago).
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local-conj-primary-type-decomp-cohom.pdf
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Identifiers
- Other
- oai:uchicago.tind.io:14717
Related works
- Cites
- https://doi.org/10.1017/prm.2023.96 (URL)
- https://doi.org/10.1017/S0017089524000363 (URL)