Properties

Label 120.480.17-120.ty.1.2
Level $120$
Index $480$
Genus $17$
Cusps $8$
$\Q$-cusps $0$

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Invariants

Level: $120$ $\SL_2$-level: $40$ Newform level: $1$
Index: $480$ $\PSL_2$-index:$240$
Genus: $17 = 1 + \frac{ 240 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$
Cusps: $8$ (none of which are rational) Cusp widths $20^{4}\cdot40^{4}$ Cusp orbits $2^{2}\cdot4$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $4 \le \gamma \le 32$
$\overline{\Q}$-gonality: $4 \le \gamma \le 17$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 40A17

Level structure

$\GL_2(\Z/120\Z)$-generators: $\begin{bmatrix}11&75\\112&13\end{bmatrix}$, $\begin{bmatrix}43&85\\20&93\end{bmatrix}$, $\begin{bmatrix}55&44\\56&99\end{bmatrix}$, $\begin{bmatrix}109&65\\68&47\end{bmatrix}$
Contains $-I$: no $\quad$ (see 120.240.17.ty.1 for the level structure with $-I$)
Cyclic 120-isogeny field degree: $48$
Cyclic 120-torsion field degree: $1536$
Full 120-torsion field degree: $73728$

Rational points

This modular curve has no real points and no $\Q_p$ points for $p=7$, and therefore no rational points.

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
40.240.8-20.g.1.6 $40$ $2$ $2$ $8$ $2$
60.240.8-20.g.1.1 $60$ $2$ $2$ $8$ $2$
120.96.1-120.ms.1.3 $120$ $5$ $5$ $1$ $?$
120.240.8-120.ct.1.9 $120$ $2$ $2$ $8$ $?$
120.240.8-120.ct.1.11 $120$ $2$ $2$ $8$ $?$
120.240.9-120.z.1.9 $120$ $2$ $2$ $9$ $?$
120.240.9-120.z.1.11 $120$ $2$ $2$ $9$ $?$