Invariants
| Level: | $280$ | $\SL_2$-level: | $40$ | Newform level: | $1$ | ||
| Index: | $480$ | $\PSL_2$-index: | $240$ | ||||
| Genus: | $15 = 1 + \frac{ 240 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 12 }{2}$ | ||||||
| Cusps: | $12$ (none of which are rational) | Cusp widths | $10^{8}\cdot40^{4}$ | Cusp orbits | $4^{3}$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| Analytic rank: | not computed | ||||||
| $\Q$-gonality: | $6 \le \gamma \le 28$ | ||||||
| $\overline{\Q}$-gonality: | $6 \le \gamma \le 15$ | ||||||
| Rational cusps: | $0$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 40C15 |
Level structure
| $\GL_2(\Z/280\Z)$-generators: | $\begin{bmatrix}19&88\\160&31\end{bmatrix}$, $\begin{bmatrix}25&61\\76&127\end{bmatrix}$, $\begin{bmatrix}45&241\\64&255\end{bmatrix}$, $\begin{bmatrix}125&217\\28&195\end{bmatrix}$, $\begin{bmatrix}179&272\\156&201\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 280.240.15.iz.1 for the level structure with $-I$) |
| Cyclic 280-isogeny field degree: | $96$ |
| Cyclic 280-torsion field degree: | $9216$ |
| Full 280-torsion field degree: | $3096576$ |
Rational points
This modular curve has no real points and no $\Q_p$ points for $p=3$, and therefore no rational points.
Modular covers
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| 40.240.7-20.t.1.2 | $40$ | $2$ | $2$ | $7$ | $1$ |
| 280.48.0-280.cj.1.15 | $280$ | $10$ | $10$ | $0$ | $?$ |
| 280.240.7-20.t.1.11 | $280$ | $2$ | $2$ | $7$ | $?$ |
| 280.240.7-280.dh.1.27 | $280$ | $2$ | $2$ | $7$ | $?$ |
| 280.240.7-280.dh.1.40 | $280$ | $2$ | $2$ | $7$ | $?$ |
| 280.240.7-280.dj.1.27 | $280$ | $2$ | $2$ | $7$ | $?$ |
| 280.240.7-280.dj.1.40 | $280$ | $2$ | $2$ | $7$ | $?$ |