Invariants
Level: | $280$ | $\SL_2$-level: | $8$ | ||||
Index: | $48$ | $\PSL_2$-index: | $24$ | ||||
Genus: | $0 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$ | ||||||
Cusps: | $6$ (none of which are rational) | Cusp widths | $2^{4}\cdot8^{2}$ | Cusp orbits | $2\cdot4$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
$\Q$-gonality: | $2$ | ||||||
$\overline{\Q}$-gonality: | $1$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 8G0 |
Level structure
$\GL_2(\Z/280\Z)$-generators: | $\begin{bmatrix}65&92\\142&49\end{bmatrix}$, $\begin{bmatrix}159&84\\49&225\end{bmatrix}$, $\begin{bmatrix}181&46\\80&257\end{bmatrix}$, $\begin{bmatrix}217&60\\131&83\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 280.24.0.bo.1 for the level structure with $-I$) |
Cyclic 280-isogeny field degree: | $192$ |
Cyclic 280-torsion field degree: | $18432$ |
Full 280-torsion field degree: | $30965760$ |
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 |
---|---|---|---|---|---|
40.24.0-20.d.1.5 | $40$ | $2$ | $2$ | $0$ | $0$ |
140.24.0-20.d.1.1 | $140$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus |
---|---|---|---|---|
280.240.8-280.co.1.2 | $280$ | $5$ | $5$ | $8$ |
280.288.7-280.ff.1.8 | $280$ | $6$ | $6$ | $7$ |
280.384.11-280.gc.1.30 | $280$ | $8$ | $8$ | $11$ |
280.480.15-280.hi.1.4 | $280$ | $10$ | $10$ | $15$ |