Invariants
Level: | $280$ | $\SL_2$-level: | $40$ | Newform level: | $1$ | ||
Index: | $240$ | $\PSL_2$-index: | $120$ | ||||
Genus: | $8 = 1 + \frac{ 120 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$ | ||||||
Cusps: | $6$ (none of which are rational) | Cusp widths | $10^{4}\cdot40^{2}$ | Cusp orbits | $2^{3}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $3 \le \gamma \le 14$ | ||||||
$\overline{\Q}$-gonality: | $3 \le \gamma \le 8$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 40A8 |
Level structure
$\GL_2(\Z/280\Z)$-generators: | $\begin{bmatrix}13&147\\84&117\end{bmatrix}$, $\begin{bmatrix}163&269\\88&197\end{bmatrix}$, $\begin{bmatrix}231&22\\272&275\end{bmatrix}$, $\begin{bmatrix}273&275\\32&149\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 280.120.8.dj.1 for the level structure with $-I$) |
Cyclic 280-isogeny field degree: | $96$ |
Cyclic 280-torsion field degree: | $9216$ |
Full 280-torsion field degree: | $6193152$ |
Rational points
This modular curve has no real points, and therefore no rational points.
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
40.120.4-20.l.1.2 | $40$ | $2$ | $2$ | $4$ | $1$ |
280.48.0-280.cf.1.2 | $280$ | $5$ | $5$ | $0$ | $?$ |
280.120.4-20.l.1.3 | $280$ | $2$ | $2$ | $4$ | $?$ |
280.120.4-280.bx.1.3 | $280$ | $2$ | $2$ | $4$ | $?$ |
280.120.4-280.bx.1.22 | $280$ | $2$ | $2$ | $4$ | $?$ |
280.120.4-280.bz.1.3 | $280$ | $2$ | $2$ | $4$ | $?$ |
280.120.4-280.bz.1.22 | $280$ | $2$ | $2$ | $4$ | $?$ |