Invariants
| Level: | $240$ | $\SL_2$-level: | $16$ | ||||
| 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 | $1^{4}\cdot2^{2}\cdot4^{2}\cdot16^{2}$ | Cusp orbits | $2^{5}$ | ||
| 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: | 16H0 |
Level structure
| $\GL_2(\Z/240\Z)$-generators: | $\begin{bmatrix}85&206\\208&123\end{bmatrix}$, $\begin{bmatrix}121&206\\224&231\end{bmatrix}$, $\begin{bmatrix}128&111\\185&134\end{bmatrix}$, $\begin{bmatrix}131&48\\224&235\end{bmatrix}$, $\begin{bmatrix}144&47\\221&122\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 48.48.0.bc.2 for the level structure with $-I$) |
| Cyclic 240-isogeny field degree: | $48$ |
| Cyclic 240-torsion field degree: | $3072$ |
| Full 240-torsion field degree: | $5898240$ |
Models
Smooth plane model Smooth plane model
| $ 0 $ | $=$ | $ x^{2} - 6 y^{2} + 12 z^{2} $ |
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 |
|---|---|---|---|---|---|
| 80.48.0-16.e.2.9 | $80$ | $2$ | $2$ | $0$ | $?$ |
| 120.48.0-24.by.1.14 | $120$ | $2$ | $2$ | $0$ | $?$ |
| 240.48.0-16.e.2.8 | $240$ | $2$ | $2$ | $0$ | $?$ |
| 240.48.0-48.g.1.8 | $240$ | $2$ | $2$ | $0$ | $?$ |
| 240.48.0-48.g.1.14 | $240$ | $2$ | $2$ | $0$ | $?$ |
| 240.48.0-24.by.1.11 | $240$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
| Covering curve | Level | Index | Degree | Genus |
|---|---|---|---|---|
| 240.192.1-48.p.1.9 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-48.u.2.5 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-48.bg.1.3 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-48.bv.2.5 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-48.ck.2.7 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-48.cn.1.8 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-48.cz.1.7 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-48.de.1.3 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-240.wl.2.14 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-240.wt.2.13 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-240.xr.1.7 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-240.xz.1.13 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-240.yx.2.14 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-240.zf.2.16 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-240.bad.1.15 | $240$ | $2$ | $2$ | $1$ |
| 240.192.1-240.bal.1.8 | $240$ | $2$ | $2$ | $1$ |
| 240.288.8-48.hm.2.17 | $240$ | $3$ | $3$ | $8$ |
| 240.384.7-48.gp.2.20 | $240$ | $4$ | $4$ | $7$ |
| 240.480.16-240.fg.1.14 | $240$ | $5$ | $5$ | $16$ |