Properties

Label 48.192.1-48.el.2.4
Level $48$
Index $192$
Genus $1$
Analytic rank $1$
Cusps $16$
$\Q$-cusps $0$

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Invariants

Level: $48$ $\SL_2$-level: $16$ Newform level: $576$
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 $2^{8}\cdot4^{4}\cdot16^{4}$ Cusp orbits $4^{4}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $1$
$\Q$-gonality: $2 \le \gamma \le 4$
$\overline{\Q}$-gonality: $2$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 16M1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 48.192.1.1553

Level structure

$\GL_2(\Z/48\Z)$-generators: $\begin{bmatrix}19&25\\44&43\end{bmatrix}$, $\begin{bmatrix}23&5\\24&41\end{bmatrix}$, $\begin{bmatrix}29&45\\16&23\end{bmatrix}$
Contains $-I$: no $\quad$ (see 48.96.1.el.2 for the level structure with $-I$)
Cyclic 48-isogeny field degree: $8$
Cyclic 48-torsion field degree: $128$
Full 48-torsion field degree: $6144$

Jacobian

Conductor: $2^{6}\cdot3^{2}$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 576.2.a.c

Models

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

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

$ 0 $ $=$ $ x^{4} - x^{2} y^{2} - 20 x^{2} z^{2} + y^{4} + 28 y^{2} z^{2} + 196 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 96 from the embedded model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle 2^8\,\frac{(z^{8}-4z^{4}w^{4}+w^{8})^{3}}{w^{16}z^{4}(z^{2}-2w^{2})(z^{2}+2w^{2})}$

Map of degree 1 from the embedded model of this modular curve to the plane model of the modular curve 48.96.1.el.2 :

$\displaystyle X$ $=$ $\displaystyle y$
$\displaystyle Y$ $=$ $\displaystyle x$
$\displaystyle Z$ $=$ $\displaystyle \frac{1}{2}w$

Equation of the image curve:

$0$ $=$ $ X^{4}-X^{2}Y^{2}+Y^{4}-20X^{2}Z^{2}+28Y^{2}Z^{2}+196Z^{4} $

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
16.96.0-16.ba.1.4 $16$ $2$ $2$ $0$ $0$ full Jacobian
24.96.0-24.bm.1.6 $24$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.z.2.7 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.z.2.12 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-16.ba.1.4 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-24.bm.1.7 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.bz.1.13 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.bz.1.16 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.1-48.bs.2.11 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.bs.2.16 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.bv.2.11 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.bv.2.16 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.ck.1.5 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.ck.1.10 $48$ $2$ $2$ $1$ $1$ 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
48.576.17-48.clu.1.12 $48$ $3$ $3$ $17$ $2$ $1^{8}\cdot2^{4}$
48.768.17-48.bmp.1.7 $48$ $4$ $4$ $17$ $2$ $1^{8}\cdot2^{4}$