Invariants
| Level: | $120$ | $\SL_2$-level: | $40$ | Newform level: | $1$ | ||
| Index: | $480$ | $\PSL_2$-index: | $240$ | ||||
| Genus: | $17 = 1 + \frac{ 240 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$ | ||||||
| Cusps: | $8$ (of which $2$ are rational) | Cusp widths | $20^{4}\cdot40^{4}$ | Cusp orbits | $1^{2}\cdot2^{3}$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| Analytic rank: | not computed | ||||||
| $\Q$-gonality: | $4 \le \gamma \le 17$ | ||||||
| $\overline{\Q}$-gonality: | $4 \le \gamma \le 17$ | ||||||
| Rational cusps: | $2$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 40A17 |
Level structure
| $\GL_2(\Z/120\Z)$-generators: | $\begin{bmatrix}9&116\\80&37\end{bmatrix}$, $\begin{bmatrix}17&32\\0&83\end{bmatrix}$, $\begin{bmatrix}47&20\\4&51\end{bmatrix}$, $\begin{bmatrix}69&76\\64&75\end{bmatrix}$, $\begin{bmatrix}95&56\\68&93\end{bmatrix}$, $\begin{bmatrix}109&84\\0&61\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 120.240.17.ba.1 for the level structure with $-I$) |
| Cyclic 120-isogeny field degree: | $48$ |
| Cyclic 120-torsion field degree: | $768$ |
| Full 120-torsion field degree: | $73728$ |
Rational points
This modular curve has 2 rational cusps but no known non-cuspidal rational points.
Modular covers
The following modular covers realize this modular curve as a fiber product over $X(1)$.
| Factor curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| $X_{S_4}(5)$ | $5$ | $96$ | $48$ | $0$ | $0$ |
| 24.96.1-24.n.2.5 | $24$ | $5$ | $5$ | $1$ | $1$ |
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| 24.96.1-24.n.2.5 | $24$ | $5$ | $5$ | $1$ | $1$ |
| 40.240.8-20.b.1.12 | $40$ | $2$ | $2$ | $8$ | $1$ |
| 120.240.8-20.b.1.5 | $120$ | $2$ | $2$ | $8$ | $?$ |
| 120.240.8-120.bk.1.10 | $120$ | $2$ | $2$ | $8$ | $?$ |
| 120.240.8-120.bk.1.25 | $120$ | $2$ | $2$ | $8$ | $?$ |
| 120.240.9-120.d.1.5 | $120$ | $2$ | $2$ | $9$ | $?$ |
| 120.240.9-120.d.1.34 | $120$ | $2$ | $2$ | $9$ | $?$ |