Dirichlet L-functions
Dirichlet L-functions
Definitions and Basic Properties
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{s}{\chi} = \sum_{n=1}^\infty \frac{\chi(n)}{n^s} }}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \chi(n)}} is a Dirichlet character~Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \pmod{k}}}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{s}{\chi} = \prod_p \left( 1 - \frac{\chi(p)}{p^s} \right)^{-1} }}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{s}{\chi} = k^{-s} \sum_{r=1}^{k-1} \chi(r) \HurwitzZeta@{s}{\frac{r}{k}} }}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{s}{\chi} = \DirichletL@{s}{\chi_0} \prod_{p \divides k} \left( 1 - \frac{\chi_0(p)}{p^s} \right) }}
hold for all Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle s}} if Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \chi \neq \chi_1}} , and for all Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle s}} (Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \neq 1}} ) if Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \chi=\chi_1}}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{1-s}{\chi} = \frac{k^{s-1} \EulerGamma@{s}}{(2 \cpi)^s} \* {\left( \expe^{-\cpi \iunit s/2} + \chi(-1) \expe^{\cpi \iunit s/2} \right)} \* G(\chi) \DirichletL@{s}{\overline{\chi}} }}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \overline{\chi}}} is the complex conjugate of Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \chi}}
Zeros
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{-2n}{\chi} \hiderel{=} 0 \text{\quad if\quad} \chi(-1) \hiderel{=} 1 }}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{-2n-1}{\chi} \hiderel{=} 0 \text{\quad if\quad} \chi(-1) \hiderel{=} -1 }}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{1}{\chi} \hiderel{\neq} 0 \text{\quad if\quad} \chi \hiderel{\neq} -1 }}
Failed to parse (LaTeXML (experimental; uses MathML): Invalid response ("") from server "http://latexml:8080/convert/":): {\displaystyle {\displaystyle \DirichletL@{0}{\chi} = \begin{cases} \displaystyle -\frac{1}{k} \sum_{r=1}^k r \chi(r), & \chi \neq \chi_1, \\ 0, & \chi = \chi_1. \end{cases} }}