Vol. 253, No. 2, 2011

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Testing the functional equation of a high-degree Euler product

David W. Farmer, Nathan C. Ryan and Ralf Schmidt

Vol. 253 (2011), No. 2, 349–366
Abstract

We study the L-functions associated to Siegel modular forms—equivalently, automorphic representations of GSp(4, 𝔸)—both theoretically and numerically. For the L-functions of degrees 10, 14, and 16 we perform representation theoretic calculations to cast the Langlands L-function in classical terms. We develop a precise notion of what it means to test a conjectured functional equation for an L-function, and we apply this to the degree-10 adjoint L-function associated to a Siegel modular form.

Keywords
Siegel modular forms, L-functions
Mathematical Subject Classification 2000
Primary: 11F46, 11F66
Milestones
Received: 13 October 2008
Revised: 10 September 2010
Accepted: 31 January 2011
Published: 21 January 2012
Authors
David W. Farmer
American Institute of Mathematics
Palo Alto, CA 94306
United States
Nathan C. Ryan
Department of Mathematics
Bucknell University
Lewisburg, PA 17837
United States
Ralf Schmidt
Department of Mathematics
University of Oklahoma
Norman, OK 73072
United States