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Weight $$\mathbf {1/2}$$ multiplier systems for the group $$\mathbf {\Gamma _0^+({\varvec{p}})}$$ and a geometric formulation
Archiv der Mathematik ( IF 0.6 ) Pub Date : 2024-01-16 , DOI: 10.1007/s00013-023-01948-w
Michael H. Mertens , Mark A. Norfleet

Abstract

We construct a weight 1/2 multiplier system for the group \(\Gamma _0^+(p)\) , the normalizer of the congruence subgroup \(\Gamma _0(p)\) where p is an odd prime, and we define an analogue of the eta function and Rademacher symbol and relate it to the geometry of edge paths in a triangulation of the upper half-plane.



中文翻译:

群 $$\mathbf {\Gamma _0^+({\varvec{p}})}$$ 的权重 $$\mathbf {1/2}$$ 乘数系统和几何公式

摘要

我们为群\(\Gamma _0^+(p)\)构造一个权重 1/2 乘数系统,即同余子群\(\Gamma _0(p)\)的归一化器,其中p是奇素数,并且我们定义 eta 函数和 Rademacher 符号的类似物,并将其与上半平面三角剖分中边缘路径的几何形状相关联。

更新日期:2024-01-18
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