Properties

Label 280.96.1-56.r.1.4
Level $280$
Index $96$
Genus $1$
Cusps $8$
$\Q$-cusps $0$

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Invariants

Level: $280$ $\SL_2$-level: $8$ Newform level: $32$
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: $\begin{bmatrix}5&8\\124&17\end{bmatrix}$, $\begin{bmatrix}79&192\\56&131\end{bmatrix}$, $\begin{bmatrix}111&236\\10&163\end{bmatrix}$, $\begin{bmatrix}137&76\\32&239\end{bmatrix}$, $\begin{bmatrix}205&104\\262&43\end{bmatrix}$
Contains $-I$: no $\quad$ (see 56.48.1.r.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: 32.2.a.a

Models

Embedded model Embedded model in $\mathbb{P}^{3}$

$ 0 $ $=$ $ 14 x y + w^{2} $
$=$ $14 x^{2} - 14 y^{2} - z^{2}$
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Singular plane model Singular plane model

$ 0 $ $=$ $ x^{4} + 14 x^{2} y^{2} - 196 z^{4} $
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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 $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle 2^8\,\frac{(z^{4}+w^{4})^{3}}{w^{8}z^{4}}$

Map of degree 1 from the embedded model of this modular curve to the plane model of the modular curve 56.48.1.r.1 :

$\displaystyle X$ $=$ $\displaystyle y$
$\displaystyle Y$ $=$ $\displaystyle \frac{1}{14}z$
$\displaystyle Z$ $=$ $\displaystyle \frac{1}{14}w$

Equation of the image curve:

$0$ $=$ $ X^{4}+14X^{2}Y^{2}-196Z^{4} $

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
40.48.1-8.c.1.6 $40$ $2$ $2$ $1$ $0$ dimension zero
280.48.1-8.c.1.2 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.0-56.e.1.8 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.48.0-56.e.1.15 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.48.0-56.l.1.4 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.48.0-56.l.1.16 $280$ $2$ $2$ $0$ $?$ full Jacobian

This modular curve is minimally covered by the modular curves in the database listed below.

Covering curve Level Index Degree Genus Rank Kernel decomposition
280.192.1-56.d.1.2 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-56.d.2.3 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-56.j.1.5 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-56.j.2.8 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-56.u.1.4 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-56.u.2.7 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-56.z.1.4 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-56.z.2.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.l.1.3 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.l.2.9 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.bg.1.5 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.bg.2.9 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.cf.1.3 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.cf.2.9 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.cx.1.2 $280$ $2$ $2$ $1$ $?$ dimension zero
280.192.1-280.cx.2.9 $280$ $2$ $2$ $1$ $?$ dimension zero
280.480.17-280.bj.1.17 $280$ $5$ $5$ $17$ $?$ not computed