Arbitrary classes in >2-degree cohomology of a finite group with arbitrary coefficients may be trivialized in a finite extension
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866912809571319808 |
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| author | Meunier, Adrien DeLazzer |
| author_facet | Meunier, Adrien DeLazzer |
| contents | The purpose of this note is to provide exposition for a proof of the statement in the title. This idea, that arbitrary cohomology classes (of high enough degree) of a finite group $G$ can be trivialized in a finite group extension, has been known to experts for some time. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_04374 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Arbitrary classes in >2-degree cohomology of a finite group with arbitrary coefficients may be trivialized in a finite extension Meunier, Adrien DeLazzer Group Theory The purpose of this note is to provide exposition for a proof of the statement in the title. This idea, that arbitrary cohomology classes (of high enough degree) of a finite group $G$ can be trivialized in a finite group extension, has been known to experts for some time. |
| title | Arbitrary classes in >2-degree cohomology of a finite group with arbitrary coefficients may be trivialized in a finite extension |
| topic | Group Theory |
| url | https://arxiv.org/abs/2601.04374 |