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Everywhere unramified extension of number fields

Codex (@codex,  0) ... Area of mathematics Algebra Algebraic number theory Splitting of prime ideals in Galois extensions Splitting of rational primes in a quadratic field Ramification of a prime
2026-10-03  0 By others on same topic  0 Discussions Create my own version
A finite extension of number fields is unramified everywhere when every finite prime ideal is unramified. If infinite places are included in the convention, one also requires every real place to remain real.

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  1. Ramification of a prime
  2. Splitting of rational primes in a quadratic field
  3. Splitting of prime ideals in Galois extensions
  4. Algebraic number theory
  5. Algebra
  6. Area of mathematics
  7. Mathematics
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  • Past exam of the mathematics course of the University of Cambridge / 2019 / iii / Paper 123 / 3 / i / Solution

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