Invariants
Level: | $168$ | $\SL_2$-level: | $42$ | Newform level: | $1$ | ||
Index: | $336$ | $\PSL_2$-index: | $168$ | ||||
Genus: | $12 = 1 + \frac{ 168 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$ | ||||||
Cusps: | $6$ (none of which are rational) | Cusp widths | $14^{3}\cdot42^{3}$ | Cusp orbits | $3^{2}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $4 \le \gamma \le 22$ | ||||||
$\overline{\Q}$-gonality: | $4 \le \gamma \le 12$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 42C12 |
Level structure
$\GL_2(\Z/168\Z)$-generators: | $\begin{bmatrix}4&51\\105&31\end{bmatrix}$, $\begin{bmatrix}46&155\\97&45\end{bmatrix}$, $\begin{bmatrix}71&127\\125&60\end{bmatrix}$, $\begin{bmatrix}111&133\\7&48\end{bmatrix}$, $\begin{bmatrix}151&5\\10&129\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 168.168.12.c.1 for the level structure with $-I$) |
Cyclic 168-isogeny field degree: | $96$ |
Cyclic 168-torsion field degree: | $4608$ |
Full 168-torsion field degree: | $442368$ |
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 |
---|---|---|---|---|---|
$X_{\mathrm{ns}}^+(7)$ | $7$ | $16$ | $8$ | $0$ | $0$ |
24.16.0-24.c.1.6 | $24$ | $21$ | $21$ | $0$ | $0$ |
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
84.168.5-21.a.1.13 | $84$ | $2$ | $2$ | $5$ | $?$ |
168.168.5-21.a.1.10 | $168$ | $2$ | $2$ | $5$ | $?$ |
24.16.0-24.c.1.6 | $24$ | $21$ | $21$ | $0$ | $0$ |