Invariants
| Level: | $280$ | $\SL_2$-level: | $8$ | ||||
| Index: | $96$ | $\PSL_2$-index: | $48$ | ||||
| Genus: | $0 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 10 }{2}$ | ||||||
| Cusps: | $10$ (none of which are rational) | Cusp widths | $4^{8}\cdot8^{2}$ | Cusp orbits | $2^{3}\cdot4$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| $\Q$-gonality: | $1 \le \gamma \le 2$ | ||||||
| $\overline{\Q}$-gonality: | $1$ | ||||||
| Rational cusps: | $0$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 8N0 |
Level structure
| $\GL_2(\Z/280\Z)$-generators: | $\begin{bmatrix}43&220\\234&259\end{bmatrix}$, $\begin{bmatrix}111&68\\62&213\end{bmatrix}$, $\begin{bmatrix}137&112\\214&45\end{bmatrix}$, $\begin{bmatrix}237&276\\156&5\end{bmatrix}$, $\begin{bmatrix}257&132\\52&185\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 280.48.0.i.2 for the level structure with $-I$) |
| Cyclic 280-isogeny field degree: | $96$ |
| Cyclic 280-torsion field degree: | $9216$ |
| Full 280-torsion field degree: | $15482880$ |
Models
This modular curve is isomorphic to $\mathbb{P}^1$.
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 |
|---|---|---|---|---|---|
| 40.48.0-20.c.1.5 | $40$ | $2$ | $2$ | $0$ | $0$ |
| 56.48.0-56.h.2.30 | $56$ | $2$ | $2$ | $0$ | $0$ |
| 280.48.0-20.c.1.3 | $280$ | $2$ | $2$ | $0$ | $?$ |
| 280.48.0-56.h.2.5 | $280$ | $2$ | $2$ | $0$ | $?$ |
| 280.48.0-280.t.1.5 | $280$ | $2$ | $2$ | $0$ | $?$ |
| 280.48.0-280.t.1.48 | $280$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
| Covering curve | Level | Index | Degree | Genus |
|---|---|---|---|---|
| 280.192.1-280.q.1.7 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.bc.1.5 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.dc.1.5 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.de.1.7 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.fu.1.6 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.fw.1.3 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.gk.1.5 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.gm.1.7 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.ig.1.5 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.ii.1.6 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.iw.1.4 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.iy.1.3 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.ko.1.5 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.kq.1.6 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.kw.1.6 | $280$ | $2$ | $2$ | $1$ |
| 280.192.1-280.kx.1.5 | $280$ | $2$ | $2$ | $1$ |
| 280.480.16-280.o.2.14 | $280$ | $5$ | $5$ | $16$ |