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 | $2^{4}\cdot4^{2}\cdot8^{4}$ | 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: | 8O0 |
Level structure
$\GL_2(\Z/240\Z)$-generators: | $\begin{bmatrix}107&192\\46&229\end{bmatrix}$, $\begin{bmatrix}151&24\\19&215\end{bmatrix}$, $\begin{bmatrix}215&232\\221&179\end{bmatrix}$, $\begin{bmatrix}233&64\\181&105\end{bmatrix}$, $\begin{bmatrix}239&32\\40&141\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 120.48.0.ej.1 for the level structure with $-I$) |
Cyclic 240-isogeny field degree: | $48$ |
Cyclic 240-torsion field degree: | $1536$ |
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 |
---|---|---|---|---|---|
48.48.0-24.bz.2.13 | $48$ | $2$ | $2$ | $0$ | $0$ |
80.48.0-40.ca.1.8 | $80$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-24.bz.2.4 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-40.ca.1.2 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-120.df.1.2 | $240$ | $2$ | $2$ | $0$ | $?$ |
240.48.0-120.df.1.15 | $240$ | $2$ | $2$ | $0$ | $?$ |
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.jg.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ji.1.9 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.jw.2.5 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.jy.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.su.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ta.2.9 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ts.1.3 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ty.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.yy.1.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.ze.1.9 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.zw.2.5 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bac.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bda.2.1 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bdc.2.9 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bdq.1.3 | $240$ | $2$ | $2$ | $1$ |
240.192.1-240.bds.1.1 | $240$ | $2$ | $2$ | $1$ |
240.288.8-120.te.2.7 | $240$ | $3$ | $3$ | $8$ |
240.384.7-120.mr.2.22 | $240$ | $4$ | $4$ | $7$ |
240.480.16-120.ge.1.14 | $240$ | $5$ | $5$ | $16$ |