Properties

Label 48.384.7-48.ib.2.8
Level $48$
Index $384$
Genus $7$
Analytic rank $0$
Cusps $20$
$\Q$-cusps $0$

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Invariants

Level: $48$ $\SL_2$-level: $48$ Newform level: $192$
Index: $384$ $\PSL_2$-index:$192$
Genus: $7 = 1 + \frac{ 192 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 20 }{2}$
Cusps: $20$ (none of which are rational) Cusp widths $1^{4}\cdot2^{2}\cdot3^{4}\cdot4^{2}\cdot6^{2}\cdot12^{2}\cdot16^{2}\cdot48^{2}$ Cusp orbits $2^{6}\cdot4^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $0$
$\Q$-gonality: $4$
$\overline{\Q}$-gonality: $4$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 48AP7
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 48.384.7.213

Level structure

$\GL_2(\Z/48\Z)$-generators: $\begin{bmatrix}1&43\\24&11\end{bmatrix}$, $\begin{bmatrix}23&14\\12&37\end{bmatrix}$, $\begin{bmatrix}35&0\\36&41\end{bmatrix}$, $\begin{bmatrix}41&27\\24&19\end{bmatrix}$, $\begin{bmatrix}43&37\\12&19\end{bmatrix}$
Contains $-I$: no $\quad$ (see 48.192.7.ib.2 for the level structure with $-I$)
Cyclic 48-isogeny field degree: $2$
Cyclic 48-torsion field degree: $16$
Full 48-torsion field degree: $3072$

Jacobian

Conductor: $2^{35}\cdot3^{7}$
Simple: no
Squarefree: no
Decomposition: $1^{3}\cdot2^{2}$
Newforms: 24.2.a.a, 96.2.d.a$^{2}$, 192.2.a.b, 192.2.a.d

Models

Canonical model in $\mathbb{P}^{ 6 }$ defined by 10 equations

$ 0 $ $=$ $ y t - z u + z v + t u + t v $
$=$ $x z - y w + y v + z^{2} + z t$
$=$ $x z - z^{2} - z t - w u + w v$
$=$ $x z - y w + y u - z^{2} + z t$
$=$$\cdots$
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Singular plane model Singular plane model

$ 0 $ $=$ $ 2 x^{4} y^{4} + 4 x^{4} y^{2} z^{2} + x^{2} y^{6} + 14 x^{2} y^{4} z^{2} - 4 x^{2} y^{2} z^{4} + \cdots + 8 y^{4} z^{4} $
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Rational points

This modular curve has no real points and no $\Q_p$ points for $p=7,47$, and therefore no rational points.

Maps to other modular curves

Map of degree 2 from the canonical model of this modular curve to the canonical model of the modular curve 24.96.3.gf.2 :

$\displaystyle X$ $=$ $\displaystyle x+t$
$\displaystyle Y$ $=$ $\displaystyle -x+t$
$\displaystyle Z$ $=$ $\displaystyle -z$

Equation of the image curve:

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

Map of degree 1 from the canonical model of this modular curve to the plane model of the modular curve 48.192.7.ib.2 :

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

Equation of the image curve:

$0$ $=$ $ 2X^{4}Y^{4}+4X^{4}Y^{2}Z^{2}+X^{2}Y^{6}+14X^{2}Y^{4}Z^{2}-4X^{2}Y^{2}Z^{4}+8X^{2}Z^{6}+4Y^{6}Z^{2}+8Y^{4}Z^{4} $

Modular covers

The following modular covers realize this modular curve as a fiber product over $X(1)$.

Factor curve Level Index Degree Genus Rank Kernel decomposition
$X_0(3)$ $3$ $96$ $48$ $0$ $0$ full Jacobian
16.96.0-16.ba.1.2 $16$ $4$ $4$ $0$ $0$ full Jacobian

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
16.96.0-16.ba.1.2 $16$ $4$ $4$ $0$ $0$ full Jacobian
24.192.3-24.gf.2.3 $24$ $2$ $2$ $3$ $0$ $1^{2}\cdot2$
48.192.3-24.gf.2.24 $48$ $2$ $2$ $3$ $0$ $1^{2}\cdot2$
48.192.3-48.qd.1.7 $48$ $2$ $2$ $3$ $0$ $1^{2}\cdot2$
48.192.3-48.qd.1.37 $48$ $2$ $2$ $3$ $0$ $1^{2}\cdot2$
48.192.3-48.qk.1.36 $48$ $2$ $2$ $3$ $0$ $2^{2}$
48.192.3-48.qk.1.57 $48$ $2$ $2$ $3$ $0$ $2^{2}$

This modular curve is minimally covered by the modular curves in the database listed below.

Covering curve Level Index Degree Genus Rank Kernel decomposition
48.768.13-48.oq.2.4 $48$ $2$ $2$ $13$ $0$ $2^{3}$
48.768.13-48.oq.4.7 $48$ $2$ $2$ $13$ $0$ $2^{3}$
48.768.13-48.oy.1.2 $48$ $2$ $2$ $13$ $0$ $2^{3}$
48.768.13-48.oy.2.3 $48$ $2$ $2$ $13$ $0$ $2^{3}$
48.768.13-48.pv.1.4 $48$ $2$ $2$ $13$ $0$ $2^{3}$
48.768.13-48.pv.3.7 $48$ $2$ $2$ $13$ $0$ $2^{3}$
48.768.13-48.qd.1.2 $48$ $2$ $2$ $13$ $0$ $2^{3}$
48.768.13-48.qd.2.3 $48$ $2$ $2$ $13$ $0$ $2^{3}$
48.768.17-48.if.2.4 $48$ $2$ $2$ $17$ $1$ $1^{6}\cdot2^{2}$
48.768.17-48.ll.1.8 $48$ $2$ $2$ $17$ $0$ $1^{6}\cdot2^{2}$
48.768.17-48.pq.1.12 $48$ $2$ $2$ $17$ $1$ $1^{6}\cdot2^{2}$
48.768.17-48.qu.1.8 $48$ $2$ $2$ $17$ $0$ $1^{6}\cdot2^{2}$
48.768.17-48.bll.2.2 $48$ $2$ $2$ $17$ $2$ $1^{6}\cdot2^{2}$
48.768.17-48.bls.2.7 $48$ $2$ $2$ $17$ $2$ $1^{6}\cdot2^{2}$
48.768.17-48.bmp.1.6 $48$ $2$ $2$ $17$ $2$ $1^{6}\cdot2^{2}$
48.768.17-48.bmu.2.7 $48$ $2$ $2$ $17$ $2$ $1^{6}\cdot2^{2}$
48.768.17-48.bqz.1.2 $48$ $2$ $2$ $17$ $0$ $2^{3}\cdot4$
48.768.17-48.bqz.2.3 $48$ $2$ $2$ $17$ $0$ $2^{3}\cdot4$
48.768.17-48.brh.1.4 $48$ $2$ $2$ $17$ $0$ $2^{3}\cdot4$
48.768.17-48.brh.3.7 $48$ $2$ $2$ $17$ $0$ $2^{3}\cdot4$
48.768.17-48.bsg.1.2 $48$ $2$ $2$ $17$ $0$ $2^{3}\cdot4$
48.768.17-48.bsg.2.3 $48$ $2$ $2$ $17$ $0$ $2^{3}\cdot4$
48.768.17-48.bso.2.4 $48$ $2$ $2$ $17$ $0$ $2^{3}\cdot4$
48.768.17-48.bso.4.7 $48$ $2$ $2$ $17$ $0$ $2^{3}\cdot4$
48.1152.29-48.ob.2.8 $48$ $3$ $3$ $29$ $2$ $1^{10}\cdot2^{6}$