Invariants
Level: | $228$ | $\SL_2$-level: | $12$ | Newform level: | $1$ | ||
Index: | $48$ | $\PSL_2$-index: | $24$ | ||||
Genus: | $1 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$ | ||||||
Cusps: | $4$ (all of which are rational) | Cusp widths | $2\cdot4\cdot6\cdot12$ | Cusp orbits | $1^{4}$ | ||
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: | 12F1 |
Level structure
$\GL_2(\Z/228\Z)$-generators: | $\begin{bmatrix}114&97\\91&198\end{bmatrix}$, $\begin{bmatrix}115&108\\70&155\end{bmatrix}$, $\begin{bmatrix}136&75\\21&160\end{bmatrix}$, $\begin{bmatrix}189&106\\178&3\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 228.24.1.n.1 for the level structure with $-I$) |
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 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 |
---|---|---|---|---|---|---|
12.24.0-6.a.1.6 | $12$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
114.24.0-6.a.1.3 | $114$ | $2$ | $2$ | $0$ | $?$ | 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 |
---|---|---|---|---|---|---|
228.96.1-228.c.1.4 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.96.1-228.g.1.6 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.96.1-228.m.1.1 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.96.1-228.p.1.6 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.96.1-228.q.1.2 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.96.1-228.t.1.3 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.96.1-228.u.1.7 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.96.1-228.x.1.3 | $228$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
228.144.3-228.jw.1.3 | $228$ | $3$ | $3$ | $3$ | $?$ | not computed |