$\GL_2(\Z/12\Z)$-generators: |
$\begin{bmatrix}7&0\\0&5\end{bmatrix}$, $\begin{bmatrix}7&2\\2&11\end{bmatrix}$, $\begin{bmatrix}7&8\\2&5\end{bmatrix}$, $\begin{bmatrix}9&10\\4&9\end{bmatrix}$ |
$\GL_2(\Z/12\Z)$-subgroup: |
$C_2^2\times \SD_{16}$ |
Contains $-I$: |
yes |
Quadratic refinements: |
12.144.4-12.o.1.1, 12.144.4-12.o.1.2, 12.144.4-12.o.1.3, 12.144.4-12.o.1.4, 12.144.4-12.o.1.5, 12.144.4-12.o.1.6, 12.144.4-12.o.1.7, 12.144.4-12.o.1.8, 24.144.4-12.o.1.1, 24.144.4-12.o.1.2, 24.144.4-12.o.1.3, 24.144.4-12.o.1.4, 24.144.4-12.o.1.5, 24.144.4-12.o.1.6, 24.144.4-12.o.1.7, 24.144.4-12.o.1.8, 24.144.4-12.o.1.9, 24.144.4-12.o.1.10, 24.144.4-12.o.1.11, 24.144.4-12.o.1.12, 60.144.4-12.o.1.1, 60.144.4-12.o.1.2, 60.144.4-12.o.1.3, 60.144.4-12.o.1.4, 60.144.4-12.o.1.5, 60.144.4-12.o.1.6, 60.144.4-12.o.1.7, 60.144.4-12.o.1.8, 84.144.4-12.o.1.1, 84.144.4-12.o.1.2, 84.144.4-12.o.1.3, 84.144.4-12.o.1.4, 84.144.4-12.o.1.5, 84.144.4-12.o.1.6, 84.144.4-12.o.1.7, 84.144.4-12.o.1.8, 120.144.4-12.o.1.1, 120.144.4-12.o.1.2, 120.144.4-12.o.1.3, 120.144.4-12.o.1.4, 120.144.4-12.o.1.5, 120.144.4-12.o.1.6, 120.144.4-12.o.1.7, 120.144.4-12.o.1.8, 120.144.4-12.o.1.9, 120.144.4-12.o.1.10, 120.144.4-12.o.1.11, 120.144.4-12.o.1.12, 132.144.4-12.o.1.1, 132.144.4-12.o.1.2, 132.144.4-12.o.1.3, 132.144.4-12.o.1.4, 132.144.4-12.o.1.5, 132.144.4-12.o.1.6, 132.144.4-12.o.1.7, 132.144.4-12.o.1.8, 156.144.4-12.o.1.1, 156.144.4-12.o.1.2, 156.144.4-12.o.1.3, 156.144.4-12.o.1.4, 156.144.4-12.o.1.5, 156.144.4-12.o.1.6, 156.144.4-12.o.1.7, 156.144.4-12.o.1.8, 168.144.4-12.o.1.1, 168.144.4-12.o.1.2, 168.144.4-12.o.1.3, 168.144.4-12.o.1.4, 168.144.4-12.o.1.5, 168.144.4-12.o.1.6, 168.144.4-12.o.1.7, 168.144.4-12.o.1.8, 168.144.4-12.o.1.9, 168.144.4-12.o.1.10, 168.144.4-12.o.1.11, 168.144.4-12.o.1.12, 204.144.4-12.o.1.1, 204.144.4-12.o.1.2, 204.144.4-12.o.1.3, 204.144.4-12.o.1.4, 204.144.4-12.o.1.5, 204.144.4-12.o.1.6, 204.144.4-12.o.1.7, 204.144.4-12.o.1.8, 228.144.4-12.o.1.1, 228.144.4-12.o.1.2, 228.144.4-12.o.1.3, 228.144.4-12.o.1.4, 228.144.4-12.o.1.5, 228.144.4-12.o.1.6, 228.144.4-12.o.1.7, 228.144.4-12.o.1.8, 264.144.4-12.o.1.1, 264.144.4-12.o.1.2, 264.144.4-12.o.1.3, 264.144.4-12.o.1.4, 264.144.4-12.o.1.5, 264.144.4-12.o.1.6, 264.144.4-12.o.1.7, 264.144.4-12.o.1.8, 264.144.4-12.o.1.9, 264.144.4-12.o.1.10, 264.144.4-12.o.1.11, 264.144.4-12.o.1.12, 276.144.4-12.o.1.1, 276.144.4-12.o.1.2, 276.144.4-12.o.1.3, 276.144.4-12.o.1.4, 276.144.4-12.o.1.5, 276.144.4-12.o.1.6, 276.144.4-12.o.1.7, 276.144.4-12.o.1.8, 312.144.4-12.o.1.1, 312.144.4-12.o.1.2, 312.144.4-12.o.1.3, 312.144.4-12.o.1.4, 312.144.4-12.o.1.5, 312.144.4-12.o.1.6, 312.144.4-12.o.1.7, 312.144.4-12.o.1.8, 312.144.4-12.o.1.9, 312.144.4-12.o.1.10, 312.144.4-12.o.1.11, 312.144.4-12.o.1.12 |
Cyclic 12-isogeny field degree: |
$4$ |
Cyclic 12-torsion field degree: |
$16$ |
Full 12-torsion field degree: |
$64$ |
Canonical model in $\mathbb{P}^{ 3 }$
$ 0 $ | $=$ | $ 24 x^{2} - 3 y^{2} + z^{2} - w^{2} $ |
| $=$ | $3 x y^{2} + 3 x z^{2} + x w^{2} + 2 y z w$ |
Singular plane model Singular plane model
$ 0 $ | $=$ | $ - 36 x^{6} - 12 x^{4} z^{2} + 24 x^{2} y^{2} z^{2} - x^{2} z^{4} - 12 y^{4} z^{2} + y^{2} z^{4} $ |
This modular curve has 2 rational cusps but no known non-cuspidal rational points. The following are the coordinates of the rational cusps on this modular curve.
Maps between models of this curve
Birational map from canonical model to plane model:
$\displaystyle X$ |
$=$ |
$\displaystyle x$ |
$\displaystyle Y$ |
$=$ |
$\displaystyle \frac{1}{2}y$ |
$\displaystyle Z$ |
$=$ |
$\displaystyle z$ |
Maps to other modular curves
$j$-invariant map
of degree 72 from the canonical model of this modular curve to the modular curve
$X(1)$
:
$\displaystyle j$ |
$=$ |
$\displaystyle 2^7\,\frac{816xyz^{9}w+5832xyz^{7}w^{3}+10080xyz^{5}w^{5}+4656xyz^{3}w^{7}+360xyzw^{9}+39y^{2}z^{10}+870y^{2}z^{8}w^{2}+3069y^{2}z^{6}w^{4}+2988y^{2}z^{4}w^{6}+705y^{2}z^{2}w^{8}+18y^{2}w^{10}-15z^{12}-167z^{10}w^{2}-273z^{8}w^{4}+121z^{6}w^{6}+253z^{4}w^{8}+75z^{2}w^{10}+4w^{12}}{z^{4}(60xyz^{5}w+216xyz^{3}w^{3}+72xyzw^{5}+3y^{2}z^{6}+51y^{2}z^{4}w^{2}+63y^{2}z^{2}w^{4}+6y^{2}w^{6}-z^{8}-8z^{6}w^{2}+3z^{4}w^{4}+5z^{2}w^{6}+w^{8})}$ |
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.