Loeffler, David 2023 We prove that Novodvorsky’s definition of local L-factors for generic representations of GSp(4) × GL(2) is compatible with the local Langlands correspondence when the GL(2) representation is non-supercuspidal. We also give an interpretation in terms of Langlands parameters of the “exceptional” poles of the GSp(4) × GL(2) L-factor, and of the “subregular” poles of GSp(4) L-factors studied in recent work of Rosner and Weissauer; and deduce consequences for Gan–Gross–Prasad type branching laws, either for reducible generic representations, or for irreducible but non-generic representations. application/pdf https://n2t.net/ark:/51647/srd1326784 https://sonar.unidistance.ch/global/documents/326784 https://sonar.unidistance.ch/documents/326784/files/subregular.pdf eng http://arxiv.org/abs/2011.15106 info:eu-repo/semantics/altIdentifier/ark/51647/srd1326784 info:eu-repo/semantics/openAccess CC BY Accepted to appear in New York Journal of Mathematics. - 2023 info:eu-repo/classification/udc/51 On local zeta-integrals for GSp(4) and GSp(4) x GL(2) http://purl.org/coar/resource_type/c_6501