Properties

Label 120.12.0-2.a.1.1
Level $120$
Index $12$
Genus $0$
Cusps $3$
$\Q$-cusps $3$

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Invariants

Level: $120$ $\SL_2$-level: $4$
Index: $12$ $\PSL_2$-index:$6$
Genus: $0 = 1 + \frac{ 6 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 3 }{2}$
Cusps: $3$ (all of which are rational) Cusp widths $2^{3}$ Cusp orbits $1^{3}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
$\Q$-gonality: $1$
$\overline{\Q}$-gonality: $1$
Rational cusps: $3$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 2C0

Level structure

$\GL_2(\Z/120\Z)$-generators: $\begin{bmatrix}11&66\\94&91\end{bmatrix}$, $\begin{bmatrix}59&6\\8&89\end{bmatrix}$, $\begin{bmatrix}89&98\\76&65\end{bmatrix}$, $\begin{bmatrix}91&56\\58&117\end{bmatrix}$, $\begin{bmatrix}95&54\\32&49\end{bmatrix}$, $\begin{bmatrix}117&26\\74&5\end{bmatrix}$
Contains $-I$: no $\quad$ (see 2.6.0.a.1 for the level structure with $-I$)
Cyclic 120-isogeny field degree: $96$
Cyclic 120-torsion field degree: $3072$
Full 120-torsion field degree: $2949120$

Models

This modular curve is isomorphic to $\mathbb{P}^1$.

Rational points

This modular curve has infinitely many rational points, including 31720 stored non-cuspidal points.

Maps to other modular curves

$j$-invariant map of degree 6 to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{x^{6}(x^{2}+192y^{2})^{3}}{y^{2}x^{6}(x-8y)^{2}(x+8y)^{2}}$

Modular covers

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

Covering curve Level Index Degree Genus
120.24.0-4.a.1.1 $120$ $2$ $2$ $0$
120.24.0-4.a.1.4 $120$ $2$ $2$ $0$
120.24.0-8.a.1.1 $120$ $2$ $2$ $0$
120.24.0-8.a.1.2 $120$ $2$ $2$ $0$
120.24.0-8.a.1.4 $120$ $2$ $2$ $0$
120.24.0-12.a.1.1 $120$ $2$ $2$ $0$
120.24.0-12.a.1.2 $120$ $2$ $2$ $0$
120.24.0-12.a.1.4 $120$ $2$ $2$ $0$
120.24.0-20.a.1.1 $120$ $2$ $2$ $0$
120.24.0-20.a.1.2 $120$ $2$ $2$ $0$
120.24.0-20.a.1.3 $120$ $2$ $2$ $0$
120.24.0-24.a.1.1 $120$ $2$ $2$ $0$
120.24.0-24.a.1.4 $120$ $2$ $2$ $0$
120.24.0-24.a.1.7 $120$ $2$ $2$ $0$
120.24.0-40.a.1.1 $120$ $2$ $2$ $0$
120.24.0-40.a.1.4 $120$ $2$ $2$ $0$
120.24.0-40.a.1.8 $120$ $2$ $2$ $0$
120.24.0-60.a.1.3 $120$ $2$ $2$ $0$
120.24.0-60.a.1.4 $120$ $2$ $2$ $0$
120.24.0-60.a.1.7 $120$ $2$ $2$ $0$
120.24.0-120.a.1.1 $120$ $2$ $2$ $0$
120.24.0-120.a.1.4 $120$ $2$ $2$ $0$
120.24.0-120.a.1.12 $120$ $2$ $2$ $0$
120.24.0-4.b.1.1 $120$ $2$ $2$ $0$
120.24.0-4.b.1.6 $120$ $2$ $2$ $0$
120.24.0-4.b.1.11 $120$ $2$ $2$ $0$
120.24.0-8.b.1.1 $120$ $2$ $2$ $0$
120.24.0-8.b.1.2 $120$ $2$ $2$ $0$
120.24.0-8.b.1.4 $120$ $2$ $2$ $0$
120.24.0-12.b.1.1 $120$ $2$ $2$ $0$
120.24.0-12.b.1.2 $120$ $2$ $2$ $0$
120.24.0-12.b.1.4 $120$ $2$ $2$ $0$
120.24.0-20.b.1.1 $120$ $2$ $2$ $0$
120.24.0-20.b.1.2 $120$ $2$ $2$ $0$
120.24.0-20.b.1.3 $120$ $2$ $2$ $0$
120.24.0-24.b.1.1 $120$ $2$ $2$ $0$
120.24.0-24.b.1.4 $120$ $2$ $2$ $0$
120.24.0-24.b.1.8 $120$ $2$ $2$ $0$
120.24.0-40.b.1.1 $120$ $2$ $2$ $0$
120.24.0-40.b.1.4 $120$ $2$ $2$ $0$
120.24.0-40.b.1.8 $120$ $2$ $2$ $0$
120.24.0-60.b.1.2 $120$ $2$ $2$ $0$
120.24.0-60.b.1.3 $120$ $2$ $2$ $0$
120.24.0-60.b.1.8 $120$ $2$ $2$ $0$
120.24.0-120.b.1.1 $120$ $2$ $2$ $0$
120.24.0-120.b.1.4 $120$ $2$ $2$ $0$
120.24.0-120.b.1.12 $120$ $2$ $2$ $0$
120.36.1-6.a.1.1 $120$ $3$ $3$ $1$
120.48.0-6.a.1.2 $120$ $4$ $4$ $0$
120.60.2-10.a.1.2 $120$ $5$ $5$ $2$
120.72.1-10.a.1.2 $120$ $6$ $6$ $1$
120.120.3-10.a.1.1 $120$ $10$ $10$ $3$