This paper is to show a non-vanishing property of the derivatives of certain class of L-functions. We study the non-vanishing and transcendence of special values of L-functions and their derivatives, attached to (cuspidal) Siegel-Hecke eigenforms of genus 2, quadratic twists of classical Hecke eigenforms, and half-integral weight modular forms.

VG Narasimha Kumar Cheraku

Department of Mathematics

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Journal	Functiones et Approximatio, Commentarii Mathematici
Publisher	Adam Mickiewicz University Press
ISSN	02086573