Local Langlands conjecture for generic supercuspidal representations of PGSp6PGSp_6

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Let PGSp6PGSp_6 be the split adjoint group, and let Irr⁡g∘(PGSp6)\operatorname{Irr}_g^\circ(PGSp_6) denote the set of isomorphism classes of its generic supercuspidal irreducible representations. Let Par⁡∘(PGSp6)\operatorname{Par}^\circ(PGSp_6) denote the corresponding set of parameters, modulo the adjoint action of Spin7(C)Spin_7(\mathbb C). The local Langlands conjecture for PGSp6PGSp_6. There is a bijection

Φ(PGSp6) ⁣:Irr⁡g∘(PGSp6)→Par⁡∘(PGSp6)Ad⁡(Spin7(C)),\Phi(PGSp_6) \colon \operatorname{Irr}_g^\circ(PGSp_6) \rightarrow \frac{\operatorname{Par}^\circ(PGSp_6)}{\operatorname{Ad}(Spin_7(\mathbb C))},

in which Shahidi's degree 8 Spin LL-function on irreducible representations corresponds to the Artin–Weil degree 8 LL-function associated to the Spin representation of Spin7(C)Spin_7(\mathbb C). The local Langlands conjectures are known for PGL3PGL_3, while corresponding results for PGSp6PGSp_6 were open at the time of the source and were expected to be proved in the near future.

References

Primary source

Gordan Savin and Martin H. Weissman, “Dichotomy for generic supercuspidal representations of G_2”, arXiv:0908.3340 (2009).

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