Properties

Label 240.480.15-120.or.1.10
Level $240$
Index $480$
Genus $15$
Cusps $12$
$\Q$-cusps $0$

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Invariants

Level: $240$ $\SL_2$-level: $80$ 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: 40E15

Level structure

$\GL_2(\Z/240\Z)$-generators: $\begin{bmatrix}35&194\\224&163\end{bmatrix}$, $\begin{bmatrix}115&194\\216&55\end{bmatrix}$, $\begin{bmatrix}123&110\\76&197\end{bmatrix}$, $\begin{bmatrix}127&51\\148&83\end{bmatrix}$, $\begin{bmatrix}131&144\\144&239\end{bmatrix}$, $\begin{bmatrix}151&93\\104&149\end{bmatrix}$, $\begin{bmatrix}179&180\\20&109\end{bmatrix}$
Contains $-I$: no $\quad$ (see 120.240.15.or.1 for the level structure with $-I$)
Cyclic 240-isogeny field degree: $48$
Cyclic 240-torsion field degree: $1536$
Full 240-torsion field degree: $1179648$

Rational points

This modular curve has no $\Q_p$ points for $p=17$, and therefore no rational points.

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
80.240.7-40.cj.1.1 $80$ $2$ $2$ $7$ $?$
240.240.7-40.cj.1.31 $240$ $2$ $2$ $7$ $?$