Invariants
Level: | $228$ | $\SL_2$-level: | $12$ | Newform level: | $1$ | ||
Index: | $96$ | $\PSL_2$-index: | $48$ | ||||
Genus: | $1 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$ | ||||||
Cusps: | $8$ (of which $4$ are rational) | Cusp widths | $2^{2}\cdot4^{2}\cdot6^{2}\cdot12^{2}$ | Cusp orbits | $1^{4}\cdot2^{2}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $2$ | ||||||
$\overline{\Q}$-gonality: | $2$ | ||||||
Rational cusps: | $4$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 12P1 |
Level structure
$\GL_2(\Z/228\Z)$-generators: | $\begin{bmatrix}85&87\\180&55\end{bmatrix}$, $\begin{bmatrix}87&79\\200&79\end{bmatrix}$, $\begin{bmatrix}97&125\\208&165\end{bmatrix}$, $\begin{bmatrix}139&96\\208&197\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 228.48.1.p.1 for the level structure with $-I$) |
Cyclic 228-isogeny field degree: | $20$ |
Cyclic 228-torsion field degree: | $1440$ |
Full 228-torsion field degree: | $5909760$ |
Jacobian
Conductor: | $?$ |
Simple: | yes |
Squarefree: | yes |
Decomposition: | $1$ |
Newforms: | not computed |
Rational points
This modular curve is an elliptic curve, but the rank has not been computed
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
---|---|---|---|---|---|---|
12.48.0-12.g.1.11 | $12$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
228.48.0-12.g.1.12 | $228$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
228.48.0-228.p.1.2 | $228$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
228.48.0-228.p.1.13 | $228$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
228.48.1-228.n.1.7 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.48.1-228.n.1.14 | $228$ | $2$ | $2$ | $1$ | $?$ | 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 |
---|---|---|---|---|---|---|
228.192.1-228.o.1.3 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.192.1-228.o.2.3 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.192.1-228.o.3.7 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.192.1-228.o.4.7 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.288.5-228.ci.1.6 | $228$ | $3$ | $3$ | $5$ | $?$ | not computed |