Properties

Label 48.192.1-48.a.1.4
Level $48$
Index $192$
Genus $1$
Analytic rank $0$
Cusps $16$
$\Q$-cusps $0$

Related objects

Downloads

Learn more

Invariants

Level: $48$ $\SL_2$-level: $16$ Newform level: $64$
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 $2^{2}\cdot4^{3}$
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: 16M1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 48.192.1.1636

Level structure

$\GL_2(\Z/48\Z)$-generators: $\begin{bmatrix}5&40\\0&37\end{bmatrix}$, $\begin{bmatrix}7&8\\36&17\end{bmatrix}$, $\begin{bmatrix}13&20\\32&9\end{bmatrix}$, $\begin{bmatrix}43&34\\28&21\end{bmatrix}$
Contains $-I$: no $\quad$ (see 48.96.1.a.1 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: $2^{6}$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 64.2.a.a

Models

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

$ 0 $ $=$ $ 3 x^{2} - 2 z^{2} - w^{2} $
$=$ $3 x y + 3 y^{2} + z^{2}$
Copy content Toggle raw display

Singular plane model Singular plane model

$ 0 $ $=$ $ x^{4} - 3 x^{2} y^{2} + 9 z^{4} $
Copy content Toggle raw display

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 96 from the embedded model of this modular curve to the modular curve $X(1)$ :

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

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

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

Equation of the image curve:

$0$ $=$ $ X^{4}-3X^{2}Y^{2}+9Z^{4} $

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
16.96.1-16.a.1.4 $16$ $2$ $2$ $1$ $0$ dimension zero
24.96.0-24.ba.2.5 $24$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.d.2.2 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.d.2.15 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-24.ba.2.4 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.bw.2.5 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.bw.2.12 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.by.1.6 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.by.1.11 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.1-16.a.1.2 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bg.1.6 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bg.1.11 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bi.2.5 $48$ $2$ $2$ $1$ $0$ dimension zero
48.96.1-48.bi.2.12 $48$ $2$ $2$ $1$ $0$ 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
48.384.5-48.y.2.4 $48$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
48.384.5-48.ba.1.4 $48$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
48.384.5-48.bb.1.4 $48$ $2$ $2$ $5$ $0$ $1^{2}\cdot2$
48.384.5-48.bc.1.4 $48$ $2$ $2$ $5$ $2$ $1^{2}\cdot2$
48.576.17-48.dg.1.20 $48$ $3$ $3$ $17$ $1$ $1^{8}\cdot2^{4}$
48.768.17-48.hn.2.10 $48$ $4$ $4$ $17$ $1$ $1^{8}\cdot2^{4}$
240.384.5-240.bdd.1.8 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.bde.1.8 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.bdf.1.8 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.bdg.1.8 $240$ $2$ $2$ $5$ $?$ not computed