Let p be a prime number, K a field with characteristic not p and containing the pth roots of unity, and ErK an abelian exponent p Galois extension. We prove explicit formulas for the construction of fields NrK with Galois group a central Ε½ . p-extension of Gal ErK . These formulas do not require the
Explicit computation of Galois p-groups unramified at p
β Scribed by Nigel Boston; Charles Leedham-Green
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 120 KB
- Volume
- 256
- Category
- Article
- ISSN
- 0021-8693
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β¦ Synopsis
We introduce a new method for finding Galois groups, by modifying the p-group generation algorithm using number-theoretical information. Thus, by exhaustive search, we calculate the Galois groups of some p-extensions that were previously beyond reach.
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