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: | $8$ (none of which are rational) | Cusp widths | $20^{4}\cdot40^{4}$ | Cusp orbits | $2^{4}$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| Analytic rank: | not computed | ||||||
| $\Q$-gonality: | $4 \le \gamma \le 32$ | ||||||
| $\overline{\Q}$-gonality: | $4 \le \gamma \le 17$ | ||||||
| Rational cusps: | $0$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 40A17 |
Level structure
| $\GL_2(\Z/120\Z)$-generators: | $\begin{bmatrix}11&32\\28&69\end{bmatrix}$, $\begin{bmatrix}29&98\\68&75\end{bmatrix}$, $\begin{bmatrix}49&36\\20&37\end{bmatrix}$, $\begin{bmatrix}55&56\\92&65\end{bmatrix}$, $\begin{bmatrix}87&86\\8&71\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 120.240.17.fc.1 for the level structure with $-I$) |
| Cyclic 120-isogeny field degree: | $48$ |
| Cyclic 120-torsion field degree: | $1536$ |
| Full 120-torsion field degree: | $73728$ |
Rational points
This modular curve has real points and $\Q_p$ points for $p$ not dividing the level, but no known 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.bs.1.15 | $24$ | $5$ | $5$ | $1$ | $1$ |
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| 24.96.1-24.bs.1.15 | $24$ | $5$ | $5$ | $1$ | $1$ |
| 40.240.8-40.u.1.13 | $40$ | $2$ | $2$ | $8$ | $2$ |
| 60.240.8-60.c.1.6 | $60$ | $2$ | $2$ | $8$ | $1$ |
| 120.240.8-60.c.1.21 | $120$ | $2$ | $2$ | $8$ | $?$ |
| 120.240.8-40.u.1.12 | $120$ | $2$ | $2$ | $8$ | $?$ |
| 120.240.9-120.d.1.24 | $120$ | $2$ | $2$ | $9$ | $?$ |
| 120.240.9-120.d.1.36 | $120$ | $2$ | $2$ | $9$ | $?$ |