Properties

Label 280.96.1-56.ce.1.3
Level $280$
Index $96$
Genus $1$
Cusps $8$
$\Q$-cusps $0$

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Invariants

Level: $280$ $\SL_2$-level: $8$ Newform level: $3136$
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 $2^{2}\cdot4$
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: $\begin{bmatrix}93&26\\267&255\end{bmatrix}$, $\begin{bmatrix}163&148\\273&1\end{bmatrix}$, $\begin{bmatrix}177&48\\75&119\end{bmatrix}$, $\begin{bmatrix}239&178\\8&277\end{bmatrix}$
Contains $-I$: no $\quad$ (see 56.48.1.ce.1 for the level structure with $-I$)
Cyclic 280-isogeny field degree: $192$
Cyclic 280-torsion field degree: $18432$
Full 280-torsion field degree: $15482880$

Jacobian

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

Models

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

$ 0 $ $=$ $ 2 x^{2} + x z - 3 y^{2} + z^{2} - w^{2} $
$=$ $3 x^{2} - 2 x z + 2 y^{2} - 2 z^{2}$
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Singular plane model Singular plane model

$ 0 $ $=$ $ 49 x^{4} - 210 x^{2} y^{2} - 56 x^{2} z^{2} + 169 y^{4} + 78 y^{2} z^{2} + 9 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 $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{2^4}{7^4}\cdot\frac{1752117229457280xz^{11}-4063963601251008xz^{9}w^{2}+3361247019958464xz^{7}w^{4}-1149047014056032xz^{5}w^{6}+143650302094936xz^{3}w^{8}-8725793922300xzw^{10}+741852195182784z^{12}-1505531655786816z^{10}w^{2}+934428182045904z^{8}w^{4}-104501336462432z^{6}w^{6}-53996894460236z^{4}w^{8}+4449163462380z^{2}w^{10}+318337335875w^{12}}{6756896160xz^{11}+6033966848xz^{9}w^{2}+694641376xz^{7}w^{4}-525223608xz^{5}w^{6}-79570946xz^{3}w^{8}+11138790xzw^{10}+2860892048z^{12}+3454432352z^{10}w^{2}+979138888z^{8}w^{4}-211340584z^{6}w^{6}-96657015z^{4}w^{8}+7083128z^{2}w^{10}+3341637w^{12}}$

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

$\displaystyle X$ $=$ $\displaystyle z$
$\displaystyle Y$ $=$ $\displaystyle y$
$\displaystyle Z$ $=$ $\displaystyle w$

Equation of the image curve:

$0$ $=$ $ 49X^{4}-210X^{2}Y^{2}+169Y^{4}-56X^{2}Z^{2}+78Y^{2}Z^{2}+9Z^{4} $

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
40.48.0-8.n.1.3 $40$ $2$ $2$ $0$ $0$ full Jacobian
280.48.0-8.n.1.2 $280$ $2$ $2$ $0$ $?$ 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
280.480.17-280.ix.1.7 $280$ $5$ $5$ $17$ $?$ not computed