Parameters of solvable automorphic forms
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866911555068624896 |
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| author | Uttenthal, Peter Vang |
| author_facet | Uttenthal, Peter Vang |
| contents | In a letter from Tate to Serre dated March 26, 1974, Tate suggested a classification of weight one modular forms of prime level in terms of their associated odd Artin representations. This paper carries out an analogous classification of Maass wave forms of prime power level in terms of complex even representations. The parameters are identified with techniques from class field theory and Galois representations. The classification reveals that there exist distinct Maass cusp forms of tetrahedral type on $Γ_1(\ell)$ that remain inequivalent modulo $3$ for $\ell = 7687, 16363$ and $20887$, and that these $\ell$ are the three smallest such primes. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_20413 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Parameters of solvable automorphic forms Uttenthal, Peter Vang Number Theory In a letter from Tate to Serre dated March 26, 1974, Tate suggested a classification of weight one modular forms of prime level in terms of their associated odd Artin representations. This paper carries out an analogous classification of Maass wave forms of prime power level in terms of complex even representations. The parameters are identified with techniques from class field theory and Galois representations. The classification reveals that there exist distinct Maass cusp forms of tetrahedral type on $Γ_1(\ell)$ that remain inequivalent modulo $3$ for $\ell = 7687, 16363$ and $20887$, and that these $\ell$ are the three smallest such primes. |
| title | Parameters of solvable automorphic forms |
| topic | Number Theory |
| url | https://arxiv.org/abs/2512.20413 |