Properties

Label 48.192.1-48.m.1.3
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 $2^{4}\cdot4^{2}$
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: 16M1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 48.192.1.327

Level structure

$\GL_2(\Z/48\Z)$-generators: $\begin{bmatrix}1&18\\16&29\end{bmatrix}$, $\begin{bmatrix}7&16\\28&21\end{bmatrix}$, $\begin{bmatrix}11&28\\36&29\end{bmatrix}$, $\begin{bmatrix}17&24\\16&5\end{bmatrix}$
Contains $-I$: no $\quad$ (see 48.96.1.m.1 for the level structure with $-I$)
Cyclic 48-isogeny field degree: $8$
Cyclic 48-torsion field degree: $64$
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 y + y^{2} - z^{2} $
$=$ $3 x^{2} + 2 x y + 2 y^{2} + 4 z^{2} - w^{2}$
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Singular plane model Singular plane model

$ 0 $ $=$ $ x^{4} - 3 x^{2} y^{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 96 from the embedded model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle -\frac{2^8}{3^8}\cdot\frac{(81z^{8}-36z^{4}w^{4}+w^{8})^{3}}{w^{4}z^{16}(6z^{2}-w^{2})(6z^{2}+w^{2})}$

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

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

Equation of the image curve:

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

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
16.96.0-16.d.1.2 $16$ $2$ $2$ $0$ $0$ full Jacobian
24.96.0-24.ba.2.5 $24$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-16.d.1.3 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-24.ba.2.3 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.bk.2.6 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.bk.2.11 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.bq.1.2 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.0-48.bq.1.15 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.96.1-48.a.2.5 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.a.2.6 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.bo.1.2 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.bo.1.15 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.bu.2.6 $48$ $2$ $2$ $1$ $1$ dimension zero
48.96.1-48.bu.2.11 $48$ $2$ $2$ $1$ $1$ 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
48.384.5-48.z.2.4 $48$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
48.384.5-48.bw.2.4 $48$ $2$ $2$ $5$ $2$ $1^{2}\cdot2$
48.384.5-48.ec.2.3 $48$ $2$ $2$ $5$ $2$ $1^{2}\cdot2$
48.384.5-48.ei.1.2 $48$ $2$ $2$ $5$ $1$ $1^{2}\cdot2$
48.576.17-48.eh.1.19 $48$ $3$ $3$ $17$ $2$ $1^{8}\cdot2^{4}$
48.768.17-48.ii.2.4 $48$ $4$ $4$ $17$ $3$ $1^{8}\cdot2^{4}$
240.384.5-240.bfp.2.8 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.bft.2.8 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.bgn.2.7 $240$ $2$ $2$ $5$ $?$ not computed
240.384.5-240.bgr.2.4 $240$ $2$ $2$ $5$ $?$ not computed