Invariants
Level: | $280$ | $\SL_2$-level: | $8$ | Newform level: | $1600$ | ||
Index: | $96$ | $\PSL_2$-index: | $48$ | ||||
Genus: | $1 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$ | ||||||
Cusps: | $8$ (none of which are rational) | Cusp widths | $4^{4}\cdot8^{4}$ | Cusp orbits | $2^{4}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $2 \le \gamma \le 48$ | ||||||
$\overline{\Q}$-gonality: | $2$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 8F1 |
Level structure
$\GL_2(\Z/280\Z)$-generators: | $\begin{bmatrix}17&72\\142&85\end{bmatrix}$, $\begin{bmatrix}79&264\\118&215\end{bmatrix}$, $\begin{bmatrix}89&242\\142&127\end{bmatrix}$, $\begin{bmatrix}235&64\\4&147\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 40.48.1.bn.1 for the level structure with $-I$) |
Cyclic 280-isogeny field degree: | $96$ |
Cyclic 280-torsion field degree: | $9216$ |
Full 280-torsion field degree: | $15482880$ |
Jacobian
Conductor: | $?$ |
Simple: | yes |
Squarefree: | yes |
Decomposition: | $1$ |
Newforms: | 1600.2.a.n |
Models
Embedded model Embedded model in $\mathbb{P}^{3}$
$ 0 $ | $=$ | $ 2 x y - z^{2} $ |
$=$ | $10 x^{2} + 10 y^{2} - w^{2}$ |
Singular plane model Singular plane model
$ 0 $ | $=$ | $ x^{4} - 10 x^{2} y^{2} + 4 z^{4} $ |
Rational points
This modular curve has real points and $\Q_p$ points for $p$ not dividing the level, but no known rational points.
Maps to other modular curves
$j$-invariant map of degree 48 from the embedded model of this modular curve to the modular curve $X(1)$ :
$\displaystyle j$ | $=$ | $\displaystyle -\frac{2^8}{5^4}\cdot\frac{(5z^{2}-w^{2})^{3}(5z^{2}+w^{2})^{3}}{w^{4}z^{8}}$ |
Map of degree 1 from the embedded model of this modular curve to the plane model of the modular curve 40.48.1.bn.1 :
$\displaystyle X$ | $=$ | $\displaystyle y$ |
$\displaystyle Y$ | $=$ | $\displaystyle \frac{1}{10}w$ |
$\displaystyle Z$ | $=$ | $\displaystyle \frac{1}{2}z$ |
Equation of the image curve:
$0$ | $=$ | $ X^{4}-10X^{2}Y^{2}+4Z^{4} $ |
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
---|---|---|---|---|---|---|
56.48.0-8.g.1.4 | $56$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
280.48.0-40.a.1.6 | $280$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
280.48.0-40.a.1.8 | $280$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
280.48.0-8.g.1.2 | $280$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
280.48.1-40.b.1.6 | $280$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
280.48.1-40.b.1.7 | $280$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
---|---|---|---|---|---|---|
280.480.17-40.cl.1.3 | $280$ | $5$ | $5$ | $17$ | $?$ | not computed |