Can someone help me find the zeros of this function?
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Let's define f(z) over the complex plane except where a =1. N.B.: z= a +b*i, where a and b are real numbers, and i is the imaginary number i = sqrt(-1).
f(z) = {\displaystyle \f (s)={\frac {1}{\Gamma (s)}}\int _{0}^{\infty }{\frac {x^{s-1}}{e^{x}-1}}\,\mathrm {d} x}
The question is for what values is f(z) = 0?
The values where z= -2*k + b*i, where k is a natural integer have been shown to be zeros for every b element of real numbers,
but there are other zeros such that if complex 'c' is a zero of f(z) then 'c = q + b*i', where q is a real number such as '0 < q < 1' and b is an unrestricted real number.
Help me find all the zeros please,
Thanks
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