Invariants
| Level: | $84$ | $\SL_2$-level: | $84$ | Newform level: | $1$ | ||
| Index: | $384$ | $\PSL_2$-index: | $192$ | ||||
| Genus: | $9 = 1 + \frac{ 192 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 16 }{2}$ | ||||||
| Cusps: | $16$ (none of which are rational) | Cusp widths | $1^{2}\cdot2^{2}\cdot3^{2}\cdot6^{2}\cdot7^{2}\cdot14^{2}\cdot21^{2}\cdot42^{2}$ | Cusp orbits | $2^{8}$ | ||
| Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
| Analytic rank: | not computed | ||||||
| $\Q$-gonality: | $4 \le \gamma \le 16$ | ||||||
| $\overline{\Q}$-gonality: | $4 \le \gamma \le 9$ | ||||||
| Rational cusps: | $0$ | ||||||
| Rational CM points: | none |
Other labels
| Cummins and Pauli (CP) label: | 42E9 |
Level structure
| $\GL_2(\Z/84\Z)$-generators: | $\begin{bmatrix}10&35\\49&24\end{bmatrix}$, $\begin{bmatrix}15&38\\46&65\end{bmatrix}$, $\begin{bmatrix}29&72\\56&55\end{bmatrix}$, $\begin{bmatrix}58&3\\15&70\end{bmatrix}$, $\begin{bmatrix}63&2\\58&35\end{bmatrix}$ |
| Contains $-I$: | no $\quad$ (see 84.192.9.s.4 for the level structure with $-I$) |
| Cyclic 84-isogeny field degree: | $2$ |
| Cyclic 84-torsion field degree: | $48$ |
| Full 84-torsion field degree: | $24192$ |
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 |
|---|---|---|---|---|---|
| 84.192.5-42.a.1.32 | $84$ | $2$ | $2$ | $5$ | $?$ |
| 84.192.5-42.a.1.47 | $84$ | $2$ | $2$ | $5$ | $?$ |