Multiplication theorem: Difference between revisions

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Bernoulli map: Chowla-Selberg redux
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\Gamma(z) \; \Gamma\left(z + \frac{1}{k}\right) \; \Gamma\left(z + \frac{2}{k}\right) \cdots
\Gamma\left(z + \frac{k-1}{k}\right) =
(2 \pi)^{ \frac{k-1}{2}} \; k^{\frac{1/-2kz}{2} - kz} \; \Gamma(kz)
</math>
for integer ''k'' &ge; 1, and is sometimes called '''Gauss's multiplication formula''', in honour of [[Carl Friedrich Gauss]]. The multiplication theorem for the gamma functions can be understood to be a special case, for the trivial [[Dirichlet character]], of the [[Chowla–Selberg formula]].