Invariants
Level: | $84$ | $\SL_2$-level: | $84$ | Newform level: | $1$ | ||
Index: | $384$ | $\PSL_2$-index: | $192$ | ||||
Genus: | $11 = 1 + \frac{ 192 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 12 }{2}$ | ||||||
Cusps: | $12$ (of which $4$ are rational) | Cusp widths | $2^{3}\cdot6^{3}\cdot14^{3}\cdot42^{3}$ | Cusp orbits | $1^{4}\cdot2^{4}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $4 \le \gamma \le 11$ | ||||||
$\overline{\Q}$-gonality: | $4 \le \gamma \le 11$ | ||||||
Rational cusps: | $4$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 42I11 |
Level structure
$\GL_2(\Z/84\Z)$-generators: | $\begin{bmatrix}25&56\\12&83\end{bmatrix}$, $\begin{bmatrix}37&80\\34&69\end{bmatrix}$, $\begin{bmatrix}58&71\\81&62\end{bmatrix}$, $\begin{bmatrix}64&29\\69&80\end{bmatrix}$, $\begin{bmatrix}66&43\\29&52\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 84.192.11.cq.1 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 4 rational cusps but no known non-cuspidal 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.1.11 | $84$ | $2$ | $2$ | $5$ | $?$ |
84.192.5-42.a.1.47 | $84$ | $2$ | $2$ | $5$ | $?$ |