Invariants
Level: | $120$ | $\SL_2$-level: | $40$ | Newform level: | $1$ | ||
Index: | $480$ | $\PSL_2$-index: | $240$ | ||||
Genus: | $15 = 1 + \frac{ 240 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 12 }{2}$ | ||||||
Cusps: | $12$ (none of which are rational) | Cusp widths | $10^{8}\cdot40^{4}$ | Cusp orbits | $2^{2}\cdot4^{2}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $4 \le \gamma \le 28$ | ||||||
$\overline{\Q}$-gonality: | $4 \le \gamma \le 15$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 40C15 |
Level structure
$\GL_2(\Z/120\Z)$-generators: | $\begin{bmatrix}21&1\\116&43\end{bmatrix}$, $\begin{bmatrix}55&99\\64&53\end{bmatrix}$, $\begin{bmatrix}73&2\\84&107\end{bmatrix}$, $\begin{bmatrix}97&13\\108&43\end{bmatrix}$, $\begin{bmatrix}115&26\\56&17\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 120.240.15.my.1 for the level structure with $-I$) |
Cyclic 120-isogeny field degree: | $24$ |
Cyclic 120-torsion field degree: | $768$ |
Full 120-torsion field degree: | $73728$ |
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 |
---|---|---|---|---|---|
40.240.7-40.cl.1.10 | $40$ | $2$ | $2$ | $7$ | $0$ |
60.240.7-60.w.1.5 | $60$ | $2$ | $2$ | $7$ | $1$ |
120.48.0-120.ds.1.1 | $120$ | $10$ | $10$ | $0$ | $?$ |
120.240.7-60.w.1.23 | $120$ | $2$ | $2$ | $7$ | $?$ |
120.240.7-40.cl.1.22 | $120$ | $2$ | $2$ | $7$ | $?$ |
120.240.7-120.di.1.17 | $120$ | $2$ | $2$ | $7$ | $?$ |
120.240.7-120.di.1.40 | $120$ | $2$ | $2$ | $7$ | $?$ |