Invariants
Level: | $280$ | $\SL_2$-level: | $8$ | ||||
Index: | $24$ | $\PSL_2$-index: | $12$ | ||||
Genus: | $0 = 1 + \frac{ 12 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$ | ||||||
Cusps: | $4$ (none of which are rational) | Cusp widths | $2^{2}\cdot4^{2}$ | Cusp orbits | $2^{2}$ | ||
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: | 4E0 |
Level structure
$\GL_2(\Z/280\Z)$-generators: | $\begin{bmatrix}61&52\\261&125\end{bmatrix}$, $\begin{bmatrix}125&14\\179&121\end{bmatrix}$, $\begin{bmatrix}193&40\\65&161\end{bmatrix}$, $\begin{bmatrix}241&254\\273&141\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 20.12.0.f.1 for the level structure with $-I$) |
Cyclic 280-isogeny field degree: | $192$ |
Cyclic 280-torsion field degree: | $18432$ |
Full 280-torsion field degree: | $61931520$ |
Models
Smooth plane model Smooth plane model
$ 0 $ | $=$ | $ 16 x^{2} + 320 y^{2} + 5 z^{2} $ |
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 |
---|---|---|---|---|---|
56.12.0-4.b.1.3 | $56$ | $2$ | $2$ | $0$ | $0$ |
280.12.0-4.b.1.3 | $280$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus |
---|---|---|---|---|
280.120.4-20.j.1.4 | $280$ | $5$ | $5$ | $4$ |
280.144.3-20.n.1.7 | $280$ | $6$ | $6$ | $3$ |
280.192.5-140.j.1.13 | $280$ | $8$ | $8$ | $5$ |
280.240.7-20.r.1.8 | $280$ | $10$ | $10$ | $7$ |
280.504.16-140.r.1.3 | $280$ | $21$ | $21$ | $16$ |