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: | 16G1 |
Rouse, Sutherland, and Zureick-Brown (RSZB) label: | 48.96.1.1161 |
Level structure
$\GL_2(\Z/48\Z)$-generators: | $\begin{bmatrix}5&24\\40&41\end{bmatrix}$, $\begin{bmatrix}11&38\\40&47\end{bmatrix}$, $\begin{bmatrix}17&9\\28&41\end{bmatrix}$, $\begin{bmatrix}21&20\\28&39\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 48.48.1.cd.2 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 $ | $=$ | $ 8 x^{2} + 2 x z + y^{2} $ |
$=$ | $8 x^{2} - 22 x z + y^{2} + 6 z^{2} + w^{2}$ |
Singular plane model Singular plane model
$ 0 $ | $=$ | $ 9 x^{4} + x^{2} y^{2} + 9 x^{2} z^{2} + 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 $X(1)$ :
$\displaystyle j$ | $=$ | $\displaystyle -2^5\,\frac{1492992y^{12}+746496y^{10}w^{2}-404352y^{8}w^{4}-76032y^{6}w^{6}+54864y^{4}w^{8}-9576y^{2}w^{10}-1469664z^{12}-1819584z^{10}w^{2}+1318032z^{8}w^{4}-1963440z^{6}w^{6}-368874z^{4}w^{8}-7560z^{2}w^{10}+725w^{12}}{w^{2}(20736y^{8}w^{2}+3456y^{6}w^{4}+24y^{2}w^{8}+15552z^{10}+1296z^{8}w^{2}-3456z^{6}w^{4}-1296z^{4}w^{6}-168z^{2}w^{8}-7w^{10})}$ |
Map of degree 1 from the embedded model of this modular curve to the plane model of the modular curve 48.48.1.cd.2 :
$\displaystyle X$ | $=$ | $\displaystyle z$ |
$\displaystyle Y$ | $=$ | $\displaystyle 3y$ |
$\displaystyle Z$ | $=$ | $\displaystyle \frac{1}{2}w$ |
Equation of the image curve:
$0$ | $=$ | $ 9X^{4}+X^{2}Y^{2}+9X^{2}Z^{2}+2Z^{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.f.2.9 | $16$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
24.48.0-24.bz.2.10 | $24$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
48.48.0-16.f.2.8 | $48$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
48.48.0-24.bz.2.5 | $48$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
48.48.1-48.b.1.3 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.48.1-48.b.1.29 | $48$ | $2$ | $2$ | $1$ | $0$ | 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.r.1.4 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.bb.2.2 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.bq.2.3 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.ca.1.2 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.do.1.2 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.dz.1.2 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.ed.2.2 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.192.1-48.eq.1.2 | $48$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
48.288.9-48.jv.2.9 | $48$ | $3$ | $3$ | $9$ | $1$ | $1^{4}\cdot2^{2}$ |
48.384.9-48.bfw.2.6 | $48$ | $4$ | $4$ | $9$ | $1$ | $1^{4}\cdot2^{2}$ |
240.192.1-240.os.1.9 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.pa.2.2 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.py.2.2 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.qg.1.2 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.tq.1.5 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.ty.1.2 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.uw.2.2 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.192.1-240.ve.1.2 | $240$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
240.480.17-240.fp.1.6 | $240$ | $5$ | $5$ | $17$ | $?$ | not computed |