EisensteinSeries.eisSummand_extension_differentiableOn

∀ (k : ℤ) (a : Fin 2 → ℤ),
  DifferentiableOn ℂ (EisensteinSeries.eisSummand k a ∘ ↑UpperHalfPlane.ofComplex) {z | 0 < z.im}

Auxiliary lemma showing that for any k : ℤ and (a : Fin 2 → ℤ) the extension of eisSummand is differentiable on {z : ℂ | 0 < z.im}.

Defined in: Mathlib.NumberTheory.ModularForms.EisensteinSeries.MDifferentiable
Cited by: 1 results in Mathlib
Foundations: Depth 194 from the axioms · uses propext, Classical.choice, Quot.sound

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