Invariants
Level: | $120$ | $\SL_2$-level: | $8$ | ||||
Index: | $12$ | $\PSL_2$-index: | $6$ | ||||
Genus: | $0 = 1 + \frac{ 6 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 3 }{2}$ | ||||||
Cusps: | $3$ (of which $1$ is rational) | Cusp widths | $1^{2}\cdot4$ | Cusp orbits | $1\cdot2$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
$\Q$-gonality: | $1$ | ||||||
$\overline{\Q}$-gonality: | $1$ | ||||||
Rational cusps: | $1$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 4B0 |
Level structure
$\GL_2(\Z/120\Z)$-generators: | $\begin{bmatrix}16&65\\93&82\end{bmatrix}$, $\begin{bmatrix}16&73\\55&86\end{bmatrix}$, $\begin{bmatrix}57&74\\62&21\end{bmatrix}$, $\begin{bmatrix}93&68\\40&101\end{bmatrix}$, $\begin{bmatrix}94&15\\111&16\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 4.6.0.b.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 11629 stored non-cuspidal points.
Maps to other modular curves
$j$-invariant map of degree 6 to the modular curve $X(1)$ :
$\displaystyle j$ | $=$ | $\displaystyle \frac{x^{6}(x^{2}+48y^{2})^{3}}{y^{4}x^{6}(x^{2}+64y^{2})}$ |
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.1.3 | $120$ | $2$ | $2$ | $0$ |
120.24.0-4.c.1.2 | $120$ | $2$ | $2$ | $0$ |
120.24.0-8.c.1.2 | $120$ | $2$ | $2$ | $0$ |
120.24.0-12.e.1.1 | $120$ | $2$ | $2$ | $0$ |
120.24.0-20.e.1.2 | $120$ | $2$ | $2$ | $0$ |
120.24.0-60.e.1.8 | $120$ | $2$ | $2$ | $0$ |
120.24.0-12.f.1.2 | $120$ | $2$ | $2$ | $0$ |
120.24.0-20.f.1.1 | $120$ | $2$ | $2$ | $0$ |
120.24.0-60.f.1.2 | $120$ | $2$ | $2$ | $0$ |
120.24.0-8.h.1.1 | $120$ | $2$ | $2$ | $0$ |
120.24.0-24.m.1.1 | $120$ | $2$ | $2$ | $0$ |
120.24.0-40.m.1.1 | $120$ | $2$ | $2$ | $0$ |
120.24.0-120.m.1.1 | $120$ | $2$ | $2$ | $0$ |
120.24.0-24.p.1.1 | $120$ | $2$ | $2$ | $0$ |
120.24.0-40.p.1.1 | $120$ | $2$ | $2$ | $0$ |
120.24.0-120.p.1.1 | $120$ | $2$ | $2$ | $0$ |
120.36.1-12.b.1.5 | $120$ | $3$ | $3$ | $1$ |
120.48.0-12.f.1.13 | $120$ | $4$ | $4$ | $0$ |
120.60.2-20.b.1.5 | $120$ | $5$ | $5$ | $2$ |
120.72.1-20.b.1.15 | $120$ | $6$ | $6$ | $1$ |
120.120.3-20.b.1.7 | $120$ | $10$ | $10$ | $3$ |