List questions from modular-function

Published on 25 Mar 2026 - 9:25

211

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Ramanujan Identity related to JacobiFunction

Published on 17 Aug 2020 - 20:57

158

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Explicit equations for $Y(N)$ for small $N$

Published on 25 Mar 2026 - 9:23

55

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$q$-expansion of Klein's absolute invariant using infinite products

Published on 15 Sep 2020 - 17:10

978

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Closed form of $\frac{e^{-\frac{\pi}{5}}}{1+\frac{e^{-\pi}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-3\pi}}{1+\ddots}}}}$

Published on 21 Sep 2020 - 19:38

130

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Non-modular coverings of modular curve

Published on 26 Nov 2020 - 17:10

43

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A question based on proving a result Related to Klein J function

Published on 30 Dec 2020 - 6:31

75

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Pole order of $\frac{4}{27}\frac{\left(\lambda^2-\lambda+1\right)^3}{\lambda^2\left(1-\lambda\right)^2}\left(=j(\tau)\right)$

Published on 18 Jan 2021 - 20:52

262

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Square of Jacobi theta function is sum of hyperbolic secant?

Published on 23 Feb 2026 - 5:12

209

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Is $\prod_{n=0}^\infty \left(1-\frac{1}{\cosh ^2((n+1/2)\pi)}\right)=\frac{1}{\sqrt[4]{2}}$ true?

Published on 16 May 2021 - 3:28

231

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Derive singular value $\lambda(\sqrt{2}i)=(\sqrt{2}-1)^2$

Published on 25 Mar 2026 - 7:47

149

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Integration on the boundary of fundamental domain of Full modular group

Published on 03 Jul 2021 - 19:53

168

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Point Pair invariants

Published on 17 Jul 2021 - 13:47

51

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What are examples of modular form of level $1$ (i.e. modular form on $SL_2(\mathbb{Z})$) with poles?

Published on 23 Aug 2021 - 21:52

67

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Approximations of real numbers on $(0,1)$ with powers of the form $(3/2)^n \pmod 1$

Published on 08 Sep 2021 - 20:39

List Question

Square root of Eisenstein series

Ramanujan Identity related to JacobiFunction

Explicit equations for $Y(N)$ for small $N$

$q$-expansion of Klein's absolute invariant using infinite products

Closed form of $\frac{e^{-\frac{\pi}{5}}}{1+\frac{e^{-\pi}}{1+\frac{e^{-2\pi}}{1+\frac{e^{-3\pi}}{1+\ddots}}}}$

Non-modular coverings of modular curve

A question based on proving a result Related to Klein J function

Pole order of $\frac{4}{27}\frac{\left(\lambda^2-\lambda+1\right)^3}{\lambda^2\left(1-\lambda\right)^2}\left(=j(\tau)\right)$

Square of Jacobi theta function is sum of hyperbolic secant?

Is $\prod_{n=0}^\infty \left(1-\frac{1}{\cosh ^2((n+1/2)\pi)}\right)=\frac{1}{\sqrt[4]{2}}$ true?

Derive singular value $\lambda(\sqrt{2}i)=(\sqrt{2}-1)^2$

Integration on the boundary of fundamental domain of Full modular group

Point Pair invariants

What are examples of modular form of level $1$ (i.e. modular form on $SL_2(\mathbb{Z})$) with poles?

Approximations of real numbers on $(0,1)$ with powers of the form $(3/2)^n \pmod 1$

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