Properties

Label 120.288.3-120.b.2.4
Level $120$
Index $288$
Genus $3$
Cusps $20$
$\Q$-cusps $2$

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Invariants

Level: $120$ $\SL_2$-level: $20$ Newform level: $1$
Index: $288$ $\PSL_2$-index:$144$
Genus: $3 = 1 + \frac{ 144 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 20 }{2}$
Cusps: $20$ (of which $2$ are rational) Cusp widths $2^{8}\cdot4^{2}\cdot10^{8}\cdot20^{2}$ Cusp orbits $1^{2}\cdot2^{5}\cdot4^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $2 \le \gamma \le 3$
$\overline{\Q}$-gonality: $2 \le \gamma \le 3$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 20R3

Level structure

$\GL_2(\Z/120\Z)$-generators: $\begin{bmatrix}9&100\\52&61\end{bmatrix}$, $\begin{bmatrix}21&110\\44&1\end{bmatrix}$, $\begin{bmatrix}31&0\\52&91\end{bmatrix}$, $\begin{bmatrix}59&90\\70&101\end{bmatrix}$, $\begin{bmatrix}73&60\\18&1\end{bmatrix}$, $\begin{bmatrix}79&100\\22&11\end{bmatrix}$
Contains $-I$: no $\quad$ (see 120.144.3.b.2 for the level structure with $-I$)
Cyclic 120-isogeny field degree: $16$
Cyclic 120-torsion field degree: $128$
Full 120-torsion field degree: $122880$

Rational points

This modular curve has 2 rational cusps but no known non-cuspidal 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
$X_1(5)$ $5$ $12$ $12$ $0$ $0$
24.12.0-2.a.1.1 $24$ $24$ $24$ $0$ $0$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
$X_1(2,10)$ $10$ $2$ $2$ $1$ $0$
120.144.1-10.a.1.5 $120$ $2$ $2$ $1$ $?$