Defining equations of $X_{0}(2^{2n})$
Fang-Ting Tu and Yifan Yang
Source: Osaka J. Math. Volume 46, Number 1
(2009), 105-113.
Abstract
In this note we will obtain defining equations of modular curves $X_{0}(2^{2n})$. The key ingredient is a recursive formula for certain generators of the function fields on $X_{0}(2^{2n})$.
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Zentralblatt MATH identifier: 05543712
Mathematical Reviews number (MathSciNet): MR2531142
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