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Theorems · Theorem · number theory

ArithmeticFunction.vonMangoldt.summable_residueClass_non_primes_div

∀ {q : ℕ} (a : ZMod q),
  Summable fun n => (if Nat.Prime n then 0 else ArithmeticFunction.vonMangoldt.residueClass a n) / ↑n

The function n ↦ Λ n / n, restricted to non-primes in a residue class, is summable. This is used to convert results on ArithmeticFunction.vonMangoldt.residueClass to results on primes in an arithmetic progression.

Defined in
Mathlib.NumberTheory.LSeries.PrimesInAP
Cited by
1 results in Mathlib
Foundations
Depth 207 from the axioms · uses propext, Classical.choice, Quot.sound

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