Abstract
Let K be a quadratic field, and let ζ K its Dedekind zeta function. In this paper we introduce a factorization of ζ K into two functions, L 1 and L 2, defined as partial Euler products of ζ K , which lead to a factorization of Riemann’s ζ function into two functions, p 1 and p 2. We prove that these functions satisfy a functional equation which has a unique solution, and we give series of very fast convergence to them. Moreover, when Δ K > 0 the general term of these series at even positive integers is calculated explicitly in terms of generalized Bernoulli numbers.
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References
Davenport, H.: Multiplicative number theory. Springer, Berlin (1980)
Zagier, D.B.: Zetafunktionen und quadratische Körper. Springer, Berlin (1981)
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Ros-Oton, X. On a factorization of Riemann’s ζ function with respect to a quadratic field and its computation. RACSAM 106, 419–427 (2012). https://doi.org/10.1007/s13398-012-0060-z
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DOI: https://doi.org/10.1007/s13398-012-0060-z