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 | $2^{3}\cdot4$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
$\Q$-gonality: | $2$ | ||||||
$\overline{\Q}$-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: | $\begin{bmatrix}11&10\\0&181\end{bmatrix}$, $\begin{bmatrix}30&137\\211&52\end{bmatrix}$, $\begin{bmatrix}43&224\\228&47\end{bmatrix}$, $\begin{bmatrix}82&5\\61&202\end{bmatrix}$, $\begin{bmatrix}87&26\\16&89\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 240.48.0.eg.2 for the level structure with $-I$) |
Cyclic 240-isogeny field degree: | $48$ |
Cyclic 240-torsion field degree: | $3072$ |
Full 240-torsion field degree: | $5898240$ |
Rational points
This modular curve has no real points, and therefore no rational points.
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
40.48.0-40.ca.2.1 | $40$ | $2$ | $2$ | $0$ | $0$ |
48.48.0-48.g.1.31 | $48$ | $2$ | $2$ | $0$ | $0$ |
240.48.0-48.g.1.10 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-240.m.2.1 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-240.m.2.20 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-40.ca.2.10 | $240$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus |
---|---|---|---|---|
240.192.1-240.s.2.8 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.cf.2.9 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ed.1.8 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ez.2.9 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.gn.2.12 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.gt.2.16 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.hf.2.14 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.hh.1.8 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.wp.2.15 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ww.2.9 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.xu.1.4 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.yd.2.9 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.yy.2.10 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.zl.2.8 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.baj.2.10 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bam.1.4 | $240$ | $2$ | $2$ | $1$ |
240.288.8-240.xo.1.59 | $240$ | $3$ | $3$ | $8$ |
240.384.7-240.bcf.2.11 | $240$ | $4$ | $4$ | $7$ |
240.480.16-240.fm.2.18 | $240$ | $5$ | $5$ | $16$ |