Hadamard Product for Riemann's Xi Function

[Charles49]

What is the infinite product for the function
\Xi(s)=\Gamma\left(\frac{s}{2}\right)\pi^{-s/2}\zeta(s)
?

 

[gcsetma]

You can manipulate the Hadamard's zeta function infinite product to get your answer.

 

[Avodyne]

{\prod_n (1-s/s_n)\over s(s-1)}

where s_n is a complex zero of \zeta(s).

 

[Charles49]

Thank you Avodyne