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} $ |
$=$ | $x^{2} - 3 x w + 3 y^{2} + 3 w^{2}$ |
Singular plane model Singular plane model
$ 0 $ | $=$ | $ 12 x^{4} + x^{2} y^{2} + x y z^{2} + z^{4} $ |
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 |