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Theorems · Theorem · number theory

IsCyclotomicExtension.Rat.isIntegralClosure_adjoin_singleton_of_prime_pow

∀ {p k : ℕ} {K : Type u} [inst : Field K] {ζ : K} [hp : Fact (Nat.Prime p)] [inst_1 : CharZero K]
  [hcycl : IsCyclotomicExtension {p ^ k} ℚ K], IsPrimitiveRoot ζ (p ^ k) → IsIntegralClosure ↥ℤ[ζ] ℤ K

If K is a p ^ k-th cyclotomic extension of , then (adjoin ℤ {ζ}) is the integral closure of in K.

Defined in
Mathlib.NumberTheory.NumberField.Cyclotomic.Basic
Cited by
3 results in Mathlib
Foundations
Depth 222 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FieldFactCharZeroIsCyclotomicExtension

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