Properties

Label 280.48.1-56.j.1.3
Level $280$
Index $48$
Genus $1$
Cusps $4$
$\Q$-cusps $0$

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Invariants

Level: $280$ $\SL_2$-level: $8$ Newform level: $3136$
Index: $48$ $\PSL_2$-index:$24$
Genus: $1 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$
Cusps: $4$ (none of which are rational) Cusp widths $4^{2}\cdot8^{2}$ Cusp orbits $2^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $2 \le \gamma \le 24$
$\overline{\Q}$-gonality: $2$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 8B1

Level structure

$\GL_2(\Z/280\Z)$-generators: $\begin{bmatrix}15&277\\186&143\end{bmatrix}$, $\begin{bmatrix}67&212\\164&7\end{bmatrix}$, $\begin{bmatrix}161&271\\30&121\end{bmatrix}$, $\begin{bmatrix}241&114\\136&193\end{bmatrix}$
Contains $-I$: no $\quad$ (see 56.24.1.j.1 for the level structure with $-I$)
Cyclic 280-isogeny field degree: $192$
Cyclic 280-torsion field degree: $18432$
Full 280-torsion field degree: $30965760$

Jacobian

Conductor: $?$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 3136.2.a.m

Models

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

$ 0 $ $=$ $ 4 y^{2} + z^{2} + w^{2} $
$=$ $2 x^{2} + 7 y z$
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Singular plane model Singular plane model

$ 0 $ $=$ $ 49 x^{4} + y^{2} z^{2} + z^{4} $
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Rational points

This modular curve has no real points, and therefore no rational points.

Maps to other modular curves

$j$-invariant map of degree 24 from the embedded model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle 2^6\,\frac{(3z^{2}-w^{2})^{3}}{z^{2}(z^{2}+w^{2})^{2}}$

Map of degree 1 from the embedded model of this modular curve to the plane model of the modular curve 56.24.1.j.1 :

$\displaystyle X$ $=$ $\displaystyle x$
$\displaystyle Y$ $=$ $\displaystyle \frac{7}{2}w$
$\displaystyle Z$ $=$ $\displaystyle \frac{7}{2}z$

Equation of the image curve:

$0$ $=$ $ 49X^{4}+Y^{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
40.24.0-4.c.1.2 $40$ $2$ $2$ $0$ $0$ full Jacobian
280.24.0-4.c.1.3 $280$ $2$ $2$ $0$ $?$ 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
280.240.9-280.r.1.8 $280$ $5$ $5$ $9$ $?$ not computed
280.288.9-280.z.1.15 $280$ $6$ $6$ $9$ $?$ not computed
280.384.13-56.x.1.11 $280$ $8$ $8$ $13$ $?$ not computed
280.480.17-280.nh.1.12 $280$ $10$ $10$ $17$ $?$ not computed