Properties

Label 48.96.1-48.co.1.6
Level $48$
Index $96$
Genus $1$
Analytic rank $1$
Cusps $8$
$\Q$-cusps $0$

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Invariants

Level: $48$ $\SL_2$-level: $16$ Newform level: $576$
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 $2^{2}\cdot4$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $1$
$\Q$-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: 48.96.1.718

Level structure

$\GL_2(\Z/48\Z)$-generators: $\begin{bmatrix}5&18\\40&41\end{bmatrix}$, $\begin{bmatrix}7&29\\12&41\end{bmatrix}$, $\begin{bmatrix}39&40\\8&25\end{bmatrix}$
Contains $-I$: no $\quad$ (see 48.48.1.co.1 for the level structure with $-I$)
Cyclic 48-isogeny field degree: $16$
Cyclic 48-torsion field degree: $256$
Full 48-torsion field degree: $12288$

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

$ 0 $ $=$ $ 12 x^{4} + x^{2} y^{2} + x y 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 48 from the embedded model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{2^4}{3^2}\cdot\frac{14784xz^{8}w^{3}-5816xz^{4}w^{7}-53568y^{2}z^{8}w^{2}+9060y^{2}z^{4}w^{6}-728y^{2}w^{10}-27648yz^{10}w-32784yz^{6}w^{5}+1468yz^{2}w^{9}-4608z^{12}-60000z^{8}w^{4}+14568z^{4}w^{8}-243w^{12}}{z^{4}(8xz^{4}w^{3}-27y^{2}z^{4}w^{2}+y^{2}w^{6}-30yz^{6}w+6yz^{2}w^{5}-12z^{8}-4z^{4}w^{4})}$

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

$\displaystyle X$ $=$ $\displaystyle y$
$\displaystyle Y$ $=$ $\displaystyle 2w$
$\displaystyle Z$ $=$ $\displaystyle 2z$

Equation of the image curve:

$0$ $=$ $ 12X^{4}+X^{2}Y^{2}+XYZ^{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.j.1.6 $16$ $2$ $2$ $0$ $0$ full Jacobian
24.48.0-24.bo.1.6 $24$ $2$ $2$ $0$ $0$ full Jacobian
48.48.0-16.j.1.8 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.48.0-24.bo.1.4 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.48.1-48.c.1.5 $48$ $2$ $2$ $1$ $1$ dimension zero
48.48.1-48.c.1.16 $48$ $2$ $2$ $1$ $1$ 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
48.288.9-48.mc.1.9 $48$ $3$ $3$ $9$ $2$ $1^{8}$
48.384.9-48.bgt.1.8 $48$ $4$ $4$ $9$ $2$ $1^{8}$
96.192.3-96.v.1.3 $96$ $2$ $2$ $3$ $?$ not computed
96.192.3-96.v.2.3 $96$ $2$ $2$ $3$ $?$ not computed
96.192.3-96.cn.1.6 $96$ $2$ $2$ $3$ $?$ not computed
96.192.3-96.cn.2.6 $96$ $2$ $2$ $3$ $?$ not computed
240.480.17-240.hk.1.11 $240$ $5$ $5$ $17$ $?$ not computed