Invariants
| Level: | $228$ | $\SL_2$-level: | $12$ | Newform level: | $1$ | ||
| Index: | $48$ | $\PSL_2$-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 | $2^{2}\cdot4^{2}\cdot6^{2}\cdot12^{2}$ | Cusp orbits | $2^{4}$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| Analytic rank: | not computed | ||||||
| $\Q$-gonality: | $2 \le \gamma \le 48$ | ||||||
| $\overline{\Q}$-gonality: | $2$ | ||||||
| Rational cusps: | $0$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 12P1 |
Level structure
| $\GL_2(\Z/228\Z)$-generators: | $\begin{bmatrix}95&184\\150&85\end{bmatrix}$, $\begin{bmatrix}121&41\\66&179\end{bmatrix}$, $\begin{bmatrix}173&43\\26&51\end{bmatrix}$, $\begin{bmatrix}193&93\\186&139\end{bmatrix}$, $\begin{bmatrix}217&107\\36&155\end{bmatrix}$ |
| Contains $-I$: | yes |
| Quadratic refinements: | 228.96.1-228.bq.1.1, 228.96.1-228.bq.1.2, 228.96.1-228.bq.1.3, 228.96.1-228.bq.1.4, 228.96.1-228.bq.1.5, 228.96.1-228.bq.1.6, 228.96.1-228.bq.1.7, 228.96.1-228.bq.1.8, 228.96.1-228.bq.1.9, 228.96.1-228.bq.1.10, 228.96.1-228.bq.1.11, 228.96.1-228.bq.1.12 |
| Cyclic 228-isogeny field degree: | $40$ |
| Cyclic 228-torsion field degree: | $2880$ |
| Full 228-torsion field degree: | $11819520$ |
Jacobian
| Conductor: | $?$ |
| Simple: | yes |
| Squarefree: | yes |
| Decomposition: | $1$ |
| Newforms: | not computed |
Rational points
This modular curve has real points and $\Q_p$ points for $p$ not dividing the level, but no known rational points.
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 |
|---|---|---|---|---|---|---|
| $X_0(3)$ | $3$ | $12$ | $12$ | $0$ | $0$ | full Jacobian |
| 76.12.0.k.1 | $76$ | $4$ | $4$ | $0$ | $?$ | full Jacobian |
This modular curve minimally covers the modular curves listed below.
| Covered curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
|---|---|---|---|---|---|---|
| 12.24.1.l.1 | $12$ | $2$ | $2$ | $1$ | $0$ | dimension zero |
| 76.12.0.k.1 | $76$ | $4$ | $4$ | $0$ | $?$ | full Jacobian |
| 114.24.0.b.1 | $114$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
| 228.24.0.n.1 | $228$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
This modular curve is minimally covered by the modular curves in the database listed below.
| Covering curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
|---|---|---|---|---|---|---|
| 228.96.3.bp.1 | $228$ | $2$ | $2$ | $3$ | $?$ | not computed |
| 228.96.3.bq.1 | $228$ | $2$ | $2$ | $3$ | $?$ | not computed |
| 228.96.3.br.1 | $228$ | $2$ | $2$ | $3$ | $?$ | not computed |
| 228.96.3.bs.1 | $228$ | $2$ | $2$ | $3$ | $?$ | not computed |
| 228.144.5.fk.1 | $228$ | $3$ | $3$ | $5$ | $?$ | not computed |