$\GL_2(\Z/48\Z)$-generators: |
$\begin{bmatrix}9&14\\4&47\end{bmatrix}$, $\begin{bmatrix}25&47\\20&33\end{bmatrix}$, $\begin{bmatrix}27&5\\8&33\end{bmatrix}$, $\begin{bmatrix}31&8\\20&29\end{bmatrix}$ |
Contains $-I$: |
yes |
Quadratic refinements: |
48.192.1-48.dv.2.1, 48.192.1-48.dv.2.2, 48.192.1-48.dv.2.3, 48.192.1-48.dv.2.4, 48.192.1-48.dv.2.5, 48.192.1-48.dv.2.6, 48.192.1-48.dv.2.7, 48.192.1-48.dv.2.8, 240.192.1-48.dv.2.1, 240.192.1-48.dv.2.2, 240.192.1-48.dv.2.3, 240.192.1-48.dv.2.4, 240.192.1-48.dv.2.5, 240.192.1-48.dv.2.6, 240.192.1-48.dv.2.7, 240.192.1-48.dv.2.8 |
Cyclic 48-isogeny field degree: |
$8$ |
Cyclic 48-torsion field degree: |
$128$ |
Full 48-torsion field degree: |
$12288$ |
Embedded model Embedded model in $\mathbb{P}^{3}$
$ 0 $ | $=$ | $ 2 x^{2} - 2 y^{2} - z w + w^{2} $ |
| $=$ | $4 x^{2} + 2 y^{2} + z^{2}$ |
Singular plane model Singular plane model
$ 0 $ | $=$ | $ x^{4} - 2 x^{2} y^{2} - 2 x^{2} z^{2} + y^{4} + 8 y^{2} z^{2} + 4 z^{4} $ |
This modular curve has no real points, and therefore no rational points.
Maps between models of this curve
Birational map from embedded model to plane model:
$\displaystyle X$ |
$=$ |
$\displaystyle y$ |
$\displaystyle Y$ |
$=$ |
$\displaystyle x$ |
$\displaystyle Z$ |
$=$ |
$\displaystyle \frac{1}{2}w$ |
Maps to other modular curves
$j$-invariant map
of degree 96 from the embedded model of this modular curve to the modular curve
$X(1)$
:
$\displaystyle j$ |
$=$ |
$\displaystyle \frac{2^8}{3}\cdot\frac{(z^{4}+4z^{3}w-12z^{2}w^{2}+4zw^{3}+w^{4})^{3}(2z^{4}-4z^{3}w-6z^{2}w^{2}+8zw^{3}-w^{4})^{3}}{z^{2}(z-2w)^{2}(z^{2}-zw+w^{2})^{8}(z^{2}+2zw-2w^{2})^{2}}$ |
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.