Properties

Label 240.288.9-240.zn.1.58
Level $240$
Index $288$
Genus $9$
Cusps $8$
$\Q$-cusps $0$

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Invariants

Level: $240$ $\SL_2$-level: $48$ Newform level: $1$
Index: $288$ $\PSL_2$-index:$144$
Genus: $9 = 1 + \frac{ 144 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$
Cusps: $8$ (none of which are rational) Cusp widths $6^{4}\cdot12^{2}\cdot48^{2}$ Cusp orbits $2^{4}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $3 \le \gamma \le 16$
$\overline{\Q}$-gonality: $3 \le \gamma \le 9$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 48B9

Level structure

$\GL_2(\Z/240\Z)$-generators: $\begin{bmatrix}28&87\\45&34\end{bmatrix}$, $\begin{bmatrix}28&179\\41&170\end{bmatrix}$, $\begin{bmatrix}130&93\\171&208\end{bmatrix}$, $\begin{bmatrix}167&170\\238&179\end{bmatrix}$, $\begin{bmatrix}184&211\\149&58\end{bmatrix}$, $\begin{bmatrix}221&76\\178&67\end{bmatrix}$
Contains $-I$: no $\quad$ (see 240.144.9.zn.1 for the level structure with $-I$)
Cyclic 240-isogeny field degree: $48$
Cyclic 240-torsion field degree: $1536$
Full 240-torsion field degree: $1966080$

Rational points

This modular curve has no $\Q_p$ points for $p=127$, and therefore no rational points.

Modular covers

The following modular covers realize this modular curve as a fiber product over $X(1)$.

Factor curve Level Index Degree Genus Rank
$X_{\mathrm{ns}}^+(3)$ $3$ $96$ $48$ $0$ $0$
80.96.1-80.cf.1.15 $80$ $3$ $3$ $1$ $?$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
48.144.4-48.bf.2.7 $48$ $2$ $2$ $4$ $0$
80.96.1-80.cf.1.15 $80$ $3$ $3$ $1$ $?$
120.144.4-120.ot.1.19 $120$ $2$ $2$ $4$ $?$
240.144.4-48.bf.2.12 $240$ $2$ $2$ $4$ $?$
240.144.4-120.ot.1.49 $240$ $2$ $2$ $4$ $?$
240.144.5-240.b.1.114 $240$ $2$ $2$ $5$ $?$
240.144.5-240.b.1.123 $240$ $2$ $2$ $5$ $?$