Invariants
Level: | $112$ | $\SL_2$-level: | $112$ | Newform level: | $392$ | ||
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 | $1^{2}\cdot2\cdot4\cdot7^{2}\cdot8^{2}\cdot14\cdot28\cdot56^{2}$ | Cusp orbits | $1^{4}\cdot2^{4}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | not computed | ||||||
$\Q$-gonality: | $2 \le \gamma \le 11$ | ||||||
$\overline{\Q}$-gonality: | $2 \le \gamma \le 11$ | ||||||
Rational cusps: | $4$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 56P11 |
Level structure
$\GL_2(\Z/112\Z)$-generators: | $\begin{bmatrix}22&85\\103&60\end{bmatrix}$, $\begin{bmatrix}34&95\\3&70\end{bmatrix}$, $\begin{bmatrix}50&75\\111&70\end{bmatrix}$, $\begin{bmatrix}52&89\\11&18\end{bmatrix}$, $\begin{bmatrix}57&22\\14&9\end{bmatrix}$, $\begin{bmatrix}81&36\\108&9\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 56.192.11.fd.2 for the level structure with $-I$) |
Cyclic 112-isogeny field degree: | $2$ |
Cyclic 112-torsion field degree: | $48$ |
Full 112-torsion field degree: | $129024$ |
Models
Canonical model in $\mathbb{P}^{ 10 }$ defined by 36 equations
$ 0 $ | $=$ | $ x w + x t - y z $ |
$=$ | $x z + x b - y z + z v$ | |
$=$ | $x u + x v - x b - z u$ | |
$=$ | $y z - y w - y t + y b + w v + t v$ | |
$=$ | $\cdots$ |
Rational points
This modular curve has 4 rational cusps but no known non-cuspidal rational points. The following are the coordinates of the rational cusps on this modular curve.
Canonical model |
---|
$(0:0:0:0:0:-1/2:0:1/2:1:1:0)$, $(0:0:0:0:0:0:1:0:1:0:1)$, $(0:0:0:0:0:1:0:1:0:0:0)$, $(0:0:0:0:0:0:1:0:-1:0:1)$ |
Maps to other modular curves
Map of degree 2 from the canonical model of this modular curve to the canonical model of the modular curve $X_0(56)$ :
$\displaystyle X$ | $=$ | $\displaystyle x$ |
$\displaystyle Y$ | $=$ | $\displaystyle -y$ |
$\displaystyle Z$ | $=$ | $\displaystyle -z$ |
$\displaystyle W$ | $=$ | $\displaystyle -w$ |
$\displaystyle T$ | $=$ | $\displaystyle -t$ |
Equation of the image curve:
$0$ | $=$ | $ YZ+XW+XT $ |
$=$ | $ X^{2}+Y^{2}-XZ-YW-2W^{2}-WT $ | |
$=$ | $ 2X^{2}-Y^{2}+XZ+Z^{2}-YW-YT $ |
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
112.48.0-56.bv.1.1 | $112$ | $8$ | $8$ | $0$ | $?$ |
112.192.5-56.bl.1.14 | $112$ | $2$ | $2$ | $5$ | $?$ |
112.192.5-56.bl.1.31 | $112$ | $2$ | $2$ | $5$ | $?$ |