Properties

Label 280.192.1-40.w.1.3
Level $280$
Index $192$
Genus $1$
Cusps $16$
$\Q$-cusps $0$

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Invariants

Level: $280$ $\SL_2$-level: $8$ Newform level: $1600$
Index: $192$ $\PSL_2$-index:$96$
Genus: $1 = 1 + \frac{ 96 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 16 }{2}$
Cusps: $16$ (none of which are rational) Cusp widths $4^{8}\cdot8^{8}$ Cusp orbits $2^{6}\cdot4$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $2 \le \gamma \le 96$
$\overline{\Q}$-gonality: $2$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 8K1

Level structure

$\GL_2(\Z/280\Z)$-generators: $\begin{bmatrix}47&256\\80&277\end{bmatrix}$, $\begin{bmatrix}97&76\\208&235\end{bmatrix}$, $\begin{bmatrix}103&136\\24&9\end{bmatrix}$, $\begin{bmatrix}127&276\\180&191\end{bmatrix}$, $\begin{bmatrix}161&200\\32&99\end{bmatrix}$
Contains $-I$: no $\quad$ (see 40.96.1.w.1 for the level structure with $-I$)
Cyclic 280-isogeny field degree: $96$
Cyclic 280-torsion field degree: $4608$
Full 280-torsion field degree: $7741440$

Jacobian

Conductor: $?$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 1600.2.a.n

Models

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

$ 0 $ $=$ $ x^{2} + 2 x y - z^{2} $
$=$ $x^{2} + 2 x y - 5 y^{2} + 4 z^{2} - 2 w^{2}$
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Singular plane model Singular plane model

$ 0 $ $=$ $ x^{4} + 10 x^{2} y^{2} - 6 x^{2} z^{2} + 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 96 from the embedded model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{2^8}{5^2}\cdot\frac{(625z^{8}-500z^{6}w^{2}+125z^{4}w^{4}-10z^{2}w^{6}+w^{8})^{3}}{w^{8}z^{4}(5z^{2}-2w^{2})^{2}(5z^{2}-w^{2})^{4}}$

Map of degree 1 from the embedded model of this modular curve to the plane model of the modular curve 40.96.1.w.1 :

$\displaystyle X$ $=$ $\displaystyle x$
$\displaystyle Y$ $=$ $\displaystyle \frac{2}{5}w$
$\displaystyle Z$ $=$ $\displaystyle z$

Equation of the image curve:

$0$ $=$ $ X^{4}+10X^{2}Y^{2}-6X^{2}Z^{2}+Z^{4} $

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
56.96.0-8.c.1.2 $56$ $2$ $2$ $0$ $0$ full Jacobian
280.96.0-40.b.1.9 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.96.0-40.b.1.21 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.96.0-8.c.1.5 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.96.0-40.s.1.3 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.96.0-40.s.1.14 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.96.0-40.t.1.5 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.96.0-40.t.1.16 $280$ $2$ $2$ $0$ $?$ full Jacobian
280.96.1-40.n.2.5 $280$ $2$ $2$ $1$ $?$ dimension zero
280.96.1-40.n.2.6 $280$ $2$ $2$ $1$ $?$ dimension zero
280.96.1-40.bi.2.9 $280$ $2$ $2$ $1$ $?$ dimension zero
280.96.1-40.bi.2.12 $280$ $2$ $2$ $1$ $?$ dimension zero
280.96.1-40.bj.2.4 $280$ $2$ $2$ $1$ $?$ dimension zero
280.96.1-40.bj.2.9 $280$ $2$ $2$ $1$ $?$ 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
280.384.5-40.w.1.1 $280$ $2$ $2$ $5$ $?$ not computed
280.384.5-40.y.1.5 $280$ $2$ $2$ $5$ $?$ not computed
280.384.5-40.z.2.1 $280$ $2$ $2$ $5$ $?$ not computed
280.384.5-40.bb.1.5 $280$ $2$ $2$ $5$ $?$ not computed
280.384.5-280.hd.2.13 $280$ $2$ $2$ $5$ $?$ not computed
280.384.5-280.he.1.9 $280$ $2$ $2$ $5$ $?$ not computed
280.384.5-280.hi.1.11 $280$ $2$ $2$ $5$ $?$ not computed
280.384.5-280.hk.1.9 $280$ $2$ $2$ $5$ $?$ not computed