Invariants
Level: | $48$ | $\SL_2$-level: | $16$ | Newform level: | $288$ | ||
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 | $2^{4}$ | ||
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: | 16E1 |
Rouse, Sutherland, and Zureick-Brown (RSZB) label: | 48.96.1.1250 |
Level structure
$\GL_2(\Z/48\Z)$-generators: | $\begin{bmatrix}7&5\\8&17\end{bmatrix}$, $\begin{bmatrix}7&22\\44&21\end{bmatrix}$, $\begin{bmatrix}17&35\\20&25\end{bmatrix}$, $\begin{bmatrix}37&15\\8&23\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 48.48.1.ch.1 for the level structure with $-I$) |
Cyclic 48-isogeny field degree: | $8$ |
Cyclic 48-torsion field degree: | $64$ |
Full 48-torsion field degree: | $12288$ |
Jacobian
Conductor: | $2^{5}\cdot3^{2}$ |
Simple: | yes |
Squarefree: | yes |
Decomposition: | $1$ |
Newforms: | 288.2.a.d |
Models
Embedded model Embedded model in $\mathbb{P}^{3}$
$ 0 $ | $=$ | $ 2 x z - w^{2} $ |
$=$ | $96 x^{2} + y^{2} - 6 z^{2}$ |
Singular plane model Singular plane model
$ 0 $ | $=$ | $ x^{4} - 6 x^{2} y^{2} - 4 z^{4} $ |
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 48 from the embedded model of this modular curve to the modular curve $X(1)$ :
$\displaystyle j$ | $=$ | $\displaystyle -\frac{1}{3^2}\cdot\frac{y^{12}-6048y^{8}w^{4}+13125888y^{4}w^{8}+191056320z^{12}-2284277760z^{8}w^{4}+9137111040z^{4}w^{8}-12224618496w^{12}}{w^{4}(y^{8}+432y^{4}w^{4}-1296z^{8}+5184z^{4}w^{4})}$ |
Map of degree 1 from the embedded model of this modular curve to the plane model of the modular curve 48.48.1.ch.1 :
$\displaystyle X$ | $=$ | $\displaystyle z$ |
$\displaystyle Y$ | $=$ | $\displaystyle \frac{1}{6}y$ |
$\displaystyle Z$ | $=$ | $\displaystyle w$ |
Equation of the image curve:
$0$ | $=$ | $ X^{4}-6X^{2}Y^{2}-4Z^{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.h.1.14 | $16$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
24.48.0-24.bj.1.3 | $24$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
48.48.0-16.h.1.3 | $48$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
48.48.0-24.bj.1.6 | $48$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
48.48.1-48.b.1.2 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.48.1-48.b.1.11 | $48$ | $2$ | $2$ | $1$ | $0$ | 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 |
---|---|---|---|---|---|---|
48.192.1-48.dx.1.1 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.dx.2.5 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.dy.1.3 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.dy.2.1 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.dz.1.1 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.dz.2.5 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.ea.1.3 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.ea.2.1 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.288.9-48.lv.1.9 | $48$ | $3$ | $3$ | $9$ | $3$ | $1^{8}$ |
48.384.9-48.bgm.1.1 | $48$ | $4$ | $4$ | $9$ | $2$ | $1^{8}$ |
240.192.1-240.vr.1.1 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.vr.2.5 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.vs.1.5 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.vs.2.1 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.vt.1.1 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.vt.2.9 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.vu.1.5 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.vu.2.1 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.480.17-240.hd.1.17 | $240$ | $5$ | $5$ | $17$ | $?$ | not computed |