$\GL_2(\Z/56\Z)$-generators: |
$\begin{bmatrix}11&12\\28&33\end{bmatrix}$, $\begin{bmatrix}13&12\\20&7\end{bmatrix}$, $\begin{bmatrix}41&40\\20&31\end{bmatrix}$, $\begin{bmatrix}49&4\\8&33\end{bmatrix}$ |
Contains $-I$: |
yes |
Quadratic refinements: |
56.384.5-56.bb.4.1, 56.384.5-56.bb.4.2, 56.384.5-56.bb.4.3, 56.384.5-56.bb.4.4, 56.384.5-56.bb.4.5, 56.384.5-56.bb.4.6, 56.384.5-56.bb.4.7, 56.384.5-56.bb.4.8, 112.384.5-56.bb.4.1, 112.384.5-56.bb.4.2, 112.384.5-56.bb.4.3, 112.384.5-56.bb.4.4, 112.384.5-56.bb.4.5, 112.384.5-56.bb.4.6, 112.384.5-56.bb.4.7, 112.384.5-56.bb.4.8, 112.384.5-56.bb.4.9, 112.384.5-56.bb.4.10, 112.384.5-56.bb.4.11, 112.384.5-56.bb.4.12, 112.384.5-56.bb.4.13, 112.384.5-56.bb.4.14, 112.384.5-56.bb.4.15, 112.384.5-56.bb.4.16, 168.384.5-56.bb.4.1, 168.384.5-56.bb.4.2, 168.384.5-56.bb.4.3, 168.384.5-56.bb.4.4, 168.384.5-56.bb.4.5, 168.384.5-56.bb.4.6, 168.384.5-56.bb.4.7, 168.384.5-56.bb.4.8, 280.384.5-56.bb.4.1, 280.384.5-56.bb.4.2, 280.384.5-56.bb.4.3, 280.384.5-56.bb.4.4, 280.384.5-56.bb.4.5, 280.384.5-56.bb.4.6, 280.384.5-56.bb.4.7, 280.384.5-56.bb.4.8 |
Cyclic 56-isogeny field degree: |
$8$ |
Cyclic 56-torsion field degree: |
$192$ |
Full 56-torsion field degree: |
$16128$ |
This modular curve has 4 rational cusps but no known non-cuspidal rational points.
Hi
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Cover information
Click on a modular curve in the diagram to see information about it.
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This modular curve minimally covers the modular curves listed below.
This modular curve is minimally covered by the modular curves in the database listed below.