DirichletCharacter.differentiableAt_LFunction

∀ {N : ℕ} [inst : NeZero N] (χ : DirichletCharacter ℂ N) (s : ℂ),
  s ≠ 1 ∨ χ ≠ 1 → DifferentiableAt ℂ (DirichletCharacter.LFunction χ) s

The L-function of a Dirichlet character is differentiable, except at s = 1 if the character is trivial.

Defined in: Mathlib.NumberTheory.LSeries.DirichletContinuation
Cited by: 4 results in Mathlib
Foundations: Depth 306 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: NeZero

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