Properties

Label 48.96.1-48.cq.1.4
Level $48$
Index $96$
Genus $1$
Analytic rank $0$
Cusps $8$
$\Q$-cusps $0$

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Invariants

Level: $48$ $\SL_2$-level: $16$ Newform level: $288$
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 $2^{4}\cdot4^{2}\cdot16^{2}$ Cusp orbits $2^{4}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $0$
$\Q$-gonality: $2$
$\overline{\Q}$-gonality: $2$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 16E1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 48.96.1.642

Level structure

$\GL_2(\Z/48\Z)$-generators: $\begin{bmatrix}15&7\\28&39\end{bmatrix}$, $\begin{bmatrix}29&4\\0&19\end{bmatrix}$, $\begin{bmatrix}43&7\\12&1\end{bmatrix}$
Contains $-I$: no $\quad$ (see 48.48.1.cq.1 for the level structure with $-I$)
Cyclic 48-isogeny field degree: $8$
Cyclic 48-torsion field degree: $64$
Full 48-torsion field degree: $12288$

Jacobian

Conductor: $2^{5}\cdot3^{2}$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 288.2.a.d

Models

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

$ 0 $ $=$ $ 2 x w + z^{2} $
$=$ $48 x^{2} - y^{2} + 3 w^{2}$
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Singular plane model Singular plane model

$ 0 $ $=$ $ 4 x^{4} - 3 y^{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 48 from the embedded model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{2^4}{3}\cdot\frac{(y^{4}+42y^{2}w^{2}+9w^{4})^{3}}{w^{2}y^{2}(y^{2}-3w^{2})^{4}}$

Map of degree 1 from the embedded model of this modular curve to the plane model of the modular curve 48.48.1.cq.1 :

$\displaystyle X$ $=$ $\displaystyle z$
$\displaystyle Y$ $=$ $\displaystyle \frac{1}{3}y$
$\displaystyle Z$ $=$ $\displaystyle w$

Equation of the image curve:

$0$ $=$ $ 4X^{4}-3Y^{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
16.48.0-16.i.1.1 $16$ $2$ $2$ $0$ $0$ full Jacobian
24.48.0-24.bs.1.4 $24$ $2$ $2$ $0$ $0$ full Jacobian
48.48.0-16.i.1.1 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.48.0-24.bs.1.1 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.48.1-48.d.1.6 $48$ $2$ $2$ $1$ $0$ dimension zero
48.48.1-48.d.1.13 $48$ $2$ $2$ $1$ $0$ 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
48.288.9-48.me.1.1 $48$ $3$ $3$ $9$ $1$ $1^{8}$
48.384.9-48.bgv.1.1 $48$ $4$ $4$ $9$ $1$ $1^{8}$
240.480.17-240.hm.1.2 $240$ $5$ $5$ $17$ $?$ not computed