Invariants
| Level: | $240$ | $\SL_2$-level: | $48$ | Newform level: | $1$ | ||
| Index: | $144$ | $\PSL_2$-index: | $72$ | ||||
| Genus: | $4 = 1 + \frac{ 72 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$ | ||||||
| Cusps: | $6$ (of which $2$ are rational) | Cusp widths | $3^{4}\cdot12\cdot48$ | Cusp orbits | $1^{2}\cdot2^{2}$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| Analytic rank: | not computed | ||||||
| $\Q$-gonality: | $3 \le \gamma \le 4$ | ||||||
| $\overline{\Q}$-gonality: | $3 \le \gamma \le 4$ | ||||||
| Rational cusps: | $2$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 48B4 |
Level structure
| $\GL_2(\Z/240\Z)$-generators: | $\begin{bmatrix}26&45\\153&238\end{bmatrix}$, $\begin{bmatrix}36&205\\215&42\end{bmatrix}$, $\begin{bmatrix}131&208\\214&109\end{bmatrix}$, $\begin{bmatrix}137&26\\152&43\end{bmatrix}$, $\begin{bmatrix}146&99\\63&158\end{bmatrix}$, $\begin{bmatrix}161&208\\148&61\end{bmatrix}$, $\begin{bmatrix}222&143\\121&132\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 240.72.4.cr.1 for the level structure with $-I$) |
| Cyclic 240-isogeny field degree: | $48$ |
| Cyclic 240-torsion field degree: | $1536$ |
| Full 240-torsion field degree: | $3932160$ |
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 |
|---|---|---|---|---|---|
| $X_{\mathrm{ns}}^+(3)$ | $3$ | $48$ | $24$ | $0$ | $0$ |
| 80.48.0-80.p.1.19 | $80$ | $3$ | $3$ | $0$ | $?$ |
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| 48.72.2-24.cj.1.30 | $48$ | $2$ | $2$ | $2$ | $0$ |
| 80.48.0-80.p.1.19 | $80$ | $3$ | $3$ | $0$ | $?$ |
| 120.72.2-24.cj.1.41 | $120$ | $2$ | $2$ | $2$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.