Invariants
| Level: | $280$ | $\SL_2$-level: | $20$ | Newform level: | $1$ | ||
| Index: | $288$ | $\PSL_2$-index: | $144$ | ||||
| Genus: | $5 = 1 + \frac{ 144 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 16 }{2}$ | ||||||
| Cusps: | $16$ (none of which are rational) | Cusp widths | $2^{4}\cdot4^{4}\cdot10^{4}\cdot20^{4}$ | Cusp orbits | $2^{4}\cdot4^{2}$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| Analytic rank: | not computed | ||||||
| $\Q$-gonality: | $2 \le \gamma \le 8$ | ||||||
| $\overline{\Q}$-gonality: | $2 \le \gamma \le 5$ | ||||||
| Rational cusps: | $0$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 20I5 |
Level structure
| $\GL_2(\Z/280\Z)$-generators: | $\begin{bmatrix}9&70\\145&109\end{bmatrix}$, $\begin{bmatrix}139&200\\12&61\end{bmatrix}$, $\begin{bmatrix}211&190\\232&161\end{bmatrix}$, $\begin{bmatrix}273&230\\275&89\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 280.144.5.cal.1 for the level structure with $-I$) |
| Cyclic 280-isogeny field degree: | $32$ |
| Cyclic 280-torsion field degree: | $1536$ |
| Full 280-torsion field degree: | $5160960$ |
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
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank |
|---|---|---|---|---|---|
| 40.144.3-40.ew.2.14 | $40$ | $2$ | $2$ | $3$ | $1$ |
| 140.144.1-140.q.1.7 | $140$ | $2$ | $2$ | $1$ | $?$ |
| 280.144.1-140.q.1.14 | $280$ | $2$ | $2$ | $1$ | $?$ |
| 280.144.1-280.cp.2.28 | $280$ | $2$ | $2$ | $1$ | $?$ |
| 280.144.1-280.cp.2.31 | $280$ | $2$ | $2$ | $1$ | $?$ |
| 280.144.3-40.ew.2.16 | $280$ | $2$ | $2$ | $3$ | $?$ |