On the Rankin-Selberg gamma factor of simple supercuspidal representations of the unitary group for $p$-adic local fields
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866910737241210880 |
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| author | Barron, Philip Xin, Yu |
| author_facet | Barron, Philip Xin, Yu |
| contents | Let $π$ be a simple supercuspidal representation of the quasi-split unramified even unitary group with respect to an unramified quadratic extension $E/F$ of $p$-adic fields. We compute the Rankin-Selberg gamma factor for rank-$1$ twists of $π$ by a tamely ramified character of $E^\times$. For non-dyadic cases, the gamma factor can also be recovered by considering the endoscopic lift of the representation. For the dyadic case, the result is original and we expect to extend the results on the Langlands parameter of the simple supercuspidal representations to the dyadic case with our computation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_11995 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On the Rankin-Selberg gamma factor of simple supercuspidal representations of the unitary group for $p$-adic local fields Barron, Philip Xin, Yu Number Theory Representation Theory Let $π$ be a simple supercuspidal representation of the quasi-split unramified even unitary group with respect to an unramified quadratic extension $E/F$ of $p$-adic fields. We compute the Rankin-Selberg gamma factor for rank-$1$ twists of $π$ by a tamely ramified character of $E^\times$. For non-dyadic cases, the gamma factor can also be recovered by considering the endoscopic lift of the representation. For the dyadic case, the result is original and we expect to extend the results on the Langlands parameter of the simple supercuspidal representations to the dyadic case with our computation. |
| title | On the Rankin-Selberg gamma factor of simple supercuspidal representations of the unitary group for $p$-adic local fields |
| topic | Number Theory Representation Theory |
| url | https://arxiv.org/abs/2410.11995 |