Invariants
Level: | $248$ | $\SL_2$-level: | $8$ | Newform level: | $1$ | ||
Index: | $192$ | $\PSL_2$-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 | $2^{6}\cdot4$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $2 \le \gamma \le 96$ | ||||||
$\overline{\Q}$-gonality: | $2$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 8K1 |
Level structure
$\GL_2(\Z/248\Z)$-generators: | $\begin{bmatrix}7&132\\164&103\end{bmatrix}$, $\begin{bmatrix}105&200\\44&213\end{bmatrix}$, $\begin{bmatrix}199&116\\116&57\end{bmatrix}$, $\begin{bmatrix}209&64\\224&21\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 248.96.1.x.1 for the level structure with $-I$) |
Cyclic 248-isogeny field degree: | $64$ |
Cyclic 248-torsion field degree: | $3840$ |
Full 248-torsion field degree: | $7142400$ |
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
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
---|---|---|---|---|---|---|
8.96.0-8.c.1.2 | $8$ | $2$ | $2$ | $0$ | $0$ | full Jacobian |
248.96.0-248.b.2.6 | $248$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
248.96.0-248.b.2.14 | $248$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
248.96.0-8.c.1.1 | $248$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
248.96.0-248.u.1.5 | $248$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
248.96.0-248.u.1.16 | $248$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
248.96.0-248.v.1.5 | $248$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
248.96.0-248.v.1.16 | $248$ | $2$ | $2$ | $0$ | $?$ | full Jacobian |
248.96.1-248.o.2.15 | $248$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
248.96.1-248.o.2.16 | $248$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
248.96.1-248.be.2.5 | $248$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
248.96.1-248.be.2.12 | $248$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
248.96.1-248.bf.2.4 | $248$ | $2$ | $2$ | $1$ | $?$ | dimension zero |
248.96.1-248.bf.2.13 | $248$ | $2$ | $2$ | $1$ | $?$ | 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 |
---|---|---|---|---|---|---|
248.384.5-248.x.1.8 | $248$ | $2$ | $2$ | $5$ | $?$ | not computed |
248.384.5-248.y.2.7 | $248$ | $2$ | $2$ | $5$ | $?$ | not computed |
248.384.5-248.ba.2.7 | $248$ | $2$ | $2$ | $5$ | $?$ | not computed |
248.384.5-248.bb.3.8 | $248$ | $2$ | $2$ | $5$ | $?$ | not computed |