Properties

Degree 1
Level 1
Sign 1
Self-dual
Motivic weight 0

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Dirichlet series

\[\begin{align} \zeta(s)=1\mathstrut& + \ 2^{-s} + \ 3^{-s} + \ 4^{-s} + \ 5^{-s} + \ 6^{-s} + \ 7^{-s} + \ 8^{-s} + \ 9^{-s}\cr & + \ 10^{-s} + \ 11^{-s} + \ 12^{-s} + \ 13^{-s} + \ 14^{-s} + \ 15^{-s} + \ 16^{-s} + \ 17^{-s}\cr & + \ 18^{-s} + \ 19^{-s} + \ 20^{-s} + \ 21^{-s} + \ 22^{-s} + \ 23^{-s} + \ 24^{-s} + \ 25^{-s}\cr & + \ 26^{-s} + \ 27^{-s} + \ 28^{-s} + \ \cdots \end{align}\]

Functional equation

\[\begin{align} \xi(s)=\mathstrut &\Gamma_{\R}(s) \cdot \zeta(s)\cr =\mathstrut & \xi(1-s) \end{align} \]
Selberg data: $(1,1,(0:), 1)$

Euler product

\[\begin{equation} \zeta(s) = \prod_p (1 - p^{-s})^{-1} \end{equation}\]

Imaginary part of the first few zeroes on the critical line

Particular Values

\[\zeta(1/2) \approx -1.4603545088\]
Pole at \(s=1\)

Graph of the $Z$-function along center part of the critical line