Properties

Label 120.120.4-120.bz.1.31
Level $120$
Index $120$
Genus $4$
Cusps $4$
$\Q$-cusps $2$

Related objects

Downloads

Learn more

Invariants

Level: $120$ $\SL_2$-level: $40$ Newform level: $1$
Index: $120$ $\PSL_2$-index:$60$
Genus: $4 = 1 + \frac{ 60 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$
Cusps: $4$ (of which $2$ are rational) Cusp widths $5^{2}\cdot10\cdot40$ Cusp orbits $1^{2}\cdot2$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $2 \le \gamma \le 4$
$\overline{\Q}$-gonality: $2 \le \gamma \le 4$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 40B4

Level structure

$\GL_2(\Z/120\Z)$-generators: $\begin{bmatrix}0&103\\101&30\end{bmatrix}$, $\begin{bmatrix}2&35\\41&28\end{bmatrix}$, $\begin{bmatrix}2&89\\99&100\end{bmatrix}$, $\begin{bmatrix}49&84\\18&11\end{bmatrix}$, $\begin{bmatrix}49&106\\74&105\end{bmatrix}$
Contains $-I$: no $\quad$ (see 120.60.4.bz.1 for the level structure with $-I$)
Cyclic 120-isogeny field degree: $48$
Cyclic 120-torsion field degree: $1536$
Full 120-torsion field degree: $294912$

Rational points

This modular curve has 2 rational cusps but no known non-cuspidal rational points.

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
40.60.2-20.c.1.9 $40$ $2$ $2$ $2$ $0$
120.24.0-120.z.1.32 $120$ $5$ $5$ $0$ $?$
120.60.2-20.c.1.1 $120$ $2$ $2$ $2$ $?$

This modular curve is minimally covered by the modular curves in the database listed below.

Covering curve Level Index Degree Genus
120.240.8-120.bh.1.24 $120$ $2$ $2$ $8$
120.240.8-120.bo.1.12 $120$ $2$ $2$ $8$
120.240.8-120.ch.1.4 $120$ $2$ $2$ $8$
120.240.8-120.ci.1.16 $120$ $2$ $2$ $8$
120.240.8-120.dm.1.16 $120$ $2$ $2$ $8$
120.240.8-120.dp.1.12 $120$ $2$ $2$ $8$
120.240.8-120.dv.1.16 $120$ $2$ $2$ $8$
120.240.8-120.dw.1.16 $120$ $2$ $2$ $8$
120.240.8-120.ep.1.8 $120$ $2$ $2$ $8$
120.240.8-120.eq.1.16 $120$ $2$ $2$ $8$
120.240.8-120.es.1.8 $120$ $2$ $2$ $8$
120.240.8-120.ev.1.12 $120$ $2$ $2$ $8$
120.240.8-120.ff.1.20 $120$ $2$ $2$ $8$
120.240.8-120.fg.1.16 $120$ $2$ $2$ $8$
120.240.8-120.fu.1.8 $120$ $2$ $2$ $8$
120.240.8-120.fx.1.8 $120$ $2$ $2$ $8$
120.360.10-120.cx.1.29 $120$ $3$ $3$ $10$
120.360.14-120.fj.1.64 $120$ $3$ $3$ $14$
120.480.13-120.bzp.1.32 $120$ $4$ $4$ $13$
120.480.17-120.brh.1.24 $120$ $4$ $4$ $17$