Invariants
| Level: | $48$ | $\SL_2$-level: | $8$ | Newform level: | $32$ | ||
| Index: | $96$ | $\PSL_2$-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 | $4^{8}\cdot8^{8}$ | Cusp orbits | $4^{2}\cdot8$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| Analytic rank: | $0$ | ||||||
| $\Q$-gonality: | $2 \le \gamma \le 4$ | ||||||
| $\overline{\Q}$-gonality: | $2$ | ||||||
| Rational cusps: | $0$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 8K1 |
| Rouse, Sutherland, and Zureick-Brown (RSZB) label: | 48.96.1.388 |
Level structure
| $\GL_2(\Z/48\Z)$-generators: | $\begin{bmatrix}7&11\\6&41\end{bmatrix}$, $\begin{bmatrix}19&15\\46&37\end{bmatrix}$, $\begin{bmatrix}21&34\\34&35\end{bmatrix}$, $\begin{bmatrix}33&7\\8&39\end{bmatrix}$, $\begin{bmatrix}47&28\\0&47\end{bmatrix}$ |
| Contains $-I$: | yes |
| Quadratic refinements: | none in database |
| Cyclic 48-isogeny field degree: | $16$ |
| Cyclic 48-torsion field degree: | $256$ |
| Full 48-torsion field degree: | $12288$ |
Jacobian
| Conductor: | $2^{5}$ |
| Simple: | yes |
| Squarefree: | yes |
| Decomposition: | $1$ |
| Newforms: | 32.2.a.a |
Models
Embedded model Embedded model in $\mathbb{P}^{3}$
| $ 0 $ | $=$ | $ 3 x^{2} - 6 y^{2} + 2 z^{2} + 2 w^{2} $ |
| $=$ | $6 x y - z^{2} + 2 z w + w^{2}$ |
Singular plane model Singular plane model
| $ 0 $ | $=$ | $ x^{4} - 4 x^{3} z + 24 x^{2} y^{2} + 2 x^{2} z^{2} + 4 x z^{3} - 72 y^{4} + 24 y^{2} z^{2} + 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 between models of this curve
Birational map from embedded model to plane model:
| $\displaystyle X$ | $=$ | $\displaystyle z$ |
| $\displaystyle Y$ | $=$ | $\displaystyle y$ |
| $\displaystyle Z$ | $=$ | $\displaystyle w$ |
Maps to other modular curves
$j$-invariant map of degree 96 from the embedded model of this modular curve to the modular curve $X(1)$ :
| $\displaystyle j$ | $=$ | $\displaystyle -2^{17}\,\frac{w^{3}z^{3}(z-w)^{3}(z+w)^{3}(z^{4}-2z^{3}w+2z^{2}w^{2}+2zw^{3}+w^{4})^{3}}{(z^{2}+w^{2})^{8}(z^{2}-2zw-w^{2})^{4}}$ |
Modular covers
Cover information
Click on a modular curve in the diagram to see information about it.
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This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
|---|---|---|---|---|---|---|
| 8.48.1.x.1 | $8$ | $2$ | $2$ | $1$ | $0$ | 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 |
|---|---|---|---|---|---|---|
| 48.192.5.fz.1 | $48$ | $2$ | $2$ | $5$ | $2$ | $1^{4}$ |
| 48.192.5.gb.1 | $48$ | $2$ | $2$ | $5$ | $1$ | $1^{4}$ |
| 48.192.5.gc.1 | $48$ | $2$ | $2$ | $5$ | $3$ | $1^{4}$ |
| 48.192.5.gd.1 | $48$ | $2$ | $2$ | $5$ | $0$ | $1^{4}$ |
| 48.192.5.gf.1 | $48$ | $2$ | $2$ | $5$ | $2$ | $1^{4}$ |
| 48.192.5.gh.1 | $48$ | $2$ | $2$ | $5$ | $1$ | $1^{4}$ |
| 48.192.5.gj.1 | $48$ | $2$ | $2$ | $5$ | $1$ | $1^{4}$ |
| 48.192.5.gk.1 | $48$ | $2$ | $2$ | $5$ | $2$ | $1^{4}$ |
| 48.192.9.hy.1 | $48$ | $2$ | $2$ | $9$ | $1$ | $1^{6}\cdot2$ |
| 48.192.9.jo.1 | $48$ | $2$ | $2$ | $9$ | $5$ | $1^{6}\cdot2$ |
| 48.192.9.kv.1 | $48$ | $2$ | $2$ | $9$ | $3$ | $1^{6}\cdot2$ |
| 48.192.9.li.1 | $48$ | $2$ | $2$ | $9$ | $3$ | $1^{6}\cdot2$ |
| 48.288.17.kk.1 | $48$ | $3$ | $3$ | $17$ | $8$ | $1^{8}\cdot2^{4}$ |
| 48.384.17.mg.1 | $48$ | $4$ | $4$ | $17$ | $5$ | $1^{16}$ |
| 240.192.5.bpk.1 | $240$ | $2$ | $2$ | $5$ | $?$ | not computed |
| 240.192.5.bpm.1 | $240$ | $2$ | $2$ | $5$ | $?$ | not computed |
| 240.192.5.bpu.1 | $240$ | $2$ | $2$ | $5$ | $?$ | not computed |
| 240.192.5.bpx.1 | $240$ | $2$ | $2$ | $5$ | $?$ | not computed |
| 240.192.5.bqb.1 | $240$ | $2$ | $2$ | $5$ | $?$ | not computed |
| 240.192.5.bqe.1 | $240$ | $2$ | $2$ | $5$ | $?$ | not computed |
| 240.192.5.bqi.1 | $240$ | $2$ | $2$ | $5$ | $?$ | not computed |
| 240.192.5.bqm.1 | $240$ | $2$ | $2$ | $5$ | $?$ | not computed |
| 240.192.9.bxx.1 | $240$ | $2$ | $2$ | $9$ | $?$ | not computed |
| 240.192.9.bza.1 | $240$ | $2$ | $2$ | $9$ | $?$ | not computed |
| 240.192.9.ccd.1 | $240$ | $2$ | $2$ | $9$ | $?$ | not computed |
| 240.192.9.cdc.1 | $240$ | $2$ | $2$ | $9$ | $?$ | not computed |