Invariants
Level: | $240$ | $\SL_2$-level: | $80$ | Newform level: | $1$ | ||
Index: | $288$ | $\PSL_2$-index: | $144$ | ||||
Genus: | $7 = 1 + \frac{ 144 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 12 }{2}$ | ||||||
Cusps: | $12$ (of which $4$ are rational) | Cusp widths | $1^{4}\cdot4\cdot5^{4}\cdot16\cdot20\cdot80$ | Cusp orbits | $1^{4}\cdot2^{4}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $2 \le \gamma \le 7$ | ||||||
$\overline{\Q}$-gonality: | $2 \le \gamma \le 7$ | ||||||
Rational cusps: | $4$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 80F7 |
Level structure
$\GL_2(\Z/240\Z)$-generators: | $\begin{bmatrix}32&165\\65&172\end{bmatrix}$, $\begin{bmatrix}124&127\\141&230\end{bmatrix}$, $\begin{bmatrix}134&89\\117&26\end{bmatrix}$, $\begin{bmatrix}159&230\\58&171\end{bmatrix}$, $\begin{bmatrix}167&172\\224&155\end{bmatrix}$, $\begin{bmatrix}193&4\\64&53\end{bmatrix}$, $\begin{bmatrix}221&162\\154&109\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 240.144.7.ym.1 for the level structure with $-I$) |
Cyclic 240-isogeny field degree: | $8$ |
Cyclic 240-torsion field degree: | $256$ |
Full 240-torsion field degree: | $1966080$ |
Rational points
This modular curve has 4 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 |
---|---|---|---|---|---|
$X_0(5)$ | $5$ | $48$ | $24$ | $0$ | $0$ |
48.48.0-48.g.1.11 | $48$ | $6$ | $6$ | $0$ | $0$ |
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
48.48.0-48.g.1.11 | $48$ | $6$ | $6$ | $0$ | $0$ |
80.144.3-40.bx.1.18 | $80$ | $2$ | $2$ | $3$ | $?$ |
120.144.3-40.bx.1.36 | $120$ | $2$ | $2$ | $3$ | $?$ |