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On Ozaki’s theorem realizing prescribed p-groups as p-class tower groups
Algebra & Number Theory ( IF 1.3 ) Pub Date : 2024-02-26 , DOI: 10.2140/ant.2024.18.771 Farshid Hajir , Christian Maire , Ravi Ramakrishna
中文翻译:
论将规定 p 群实现为 p 级塔群的尾崎定理
更新日期:2024-02-27
Algebra & Number Theory ( IF 1.3 ) Pub Date : 2024-02-26 , DOI: 10.2140/ant.2024.18.771 Farshid Hajir , Christian Maire , Ravi Ramakrishna
We give a streamlined and effective proof of Ozaki’s theorem that any finite -group is the Galois group of the -Hilbert class field tower of some number field . Our work is inspired by Ozaki’s and applies in broader circumstances. While his theorem is in the totally complex setting, we obtain the result in any mixed signature setting for which there exists a number field with class number prime to . We construct by a sequence of -extensions ramified only at finite tame primes and also give explicit bounds on and the number of ramified primes of in terms of .
中文翻译:
论将规定 p 群实现为 p 级塔群的尾崎定理
我们给出了尾崎定理的简化且有效的证明,即任何有限-团体是伽罗瓦群- 某些数场的希尔伯特级场塔。我们的工作受到尾崎的启发,并适用于更广泛的情况。虽然他的定理是在完全复杂的设置中,但我们在存在数字字段的任何混合签名设置中获得结果类号为素数。我们构建通过一系列-扩展仅在有限素数上分支,并且还给出了显式界限以及 的分支素数的个数按照。