$\GL_2(\Z/48\Z)$-generators: |
$\begin{bmatrix}1&23\\18&11\end{bmatrix}$, $\begin{bmatrix}7&21\\42&17\end{bmatrix}$, $\begin{bmatrix}7&38\\24&1\end{bmatrix}$, $\begin{bmatrix}41&4\\24&7\end{bmatrix}$, $\begin{bmatrix}41&36\\0&47\end{bmatrix}$ |
Contains $-I$: |
yes |
Quadratic refinements: |
48.192.1-48.cd.3.1, 48.192.1-48.cd.3.2, 48.192.1-48.cd.3.3, 48.192.1-48.cd.3.4, 48.192.1-48.cd.3.5, 48.192.1-48.cd.3.6, 48.192.1-48.cd.3.7, 48.192.1-48.cd.3.8, 48.192.1-48.cd.3.9, 48.192.1-48.cd.3.10, 48.192.1-48.cd.3.11, 48.192.1-48.cd.3.12, 48.192.1-48.cd.3.13, 48.192.1-48.cd.3.14, 48.192.1-48.cd.3.15, 48.192.1-48.cd.3.16, 240.192.1-48.cd.3.1, 240.192.1-48.cd.3.2, 240.192.1-48.cd.3.3, 240.192.1-48.cd.3.4, 240.192.1-48.cd.3.5, 240.192.1-48.cd.3.6, 240.192.1-48.cd.3.7, 240.192.1-48.cd.3.8, 240.192.1-48.cd.3.9, 240.192.1-48.cd.3.10, 240.192.1-48.cd.3.11, 240.192.1-48.cd.3.12, 240.192.1-48.cd.3.13, 240.192.1-48.cd.3.14, 240.192.1-48.cd.3.15, 240.192.1-48.cd.3.16 |
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 $ | $=$ | $ 9 x^{2} - 6 y^{2} + z^{2} + w^{2} $ |
| $=$ | $12 x y - z^{2} + 2 z w + w^{2}$ |
Singular plane model Singular plane model
$ 0 $ | $=$ | $ x^{4} - 4 x^{3} z + 4 x^{2} y^{2} + 2 x^{2} z^{2} + 4 x z^{3} - 6 y^{4} + 4 y^{2} z^{2} + z^{4} $ |
This modular curve has real points and $\Q_p$ points for $p$ not dividing the level, but no known rational points.
Maps between models of this curve
Birational map from embedded model to plane model:
$\displaystyle X$ |
$=$ |
$\displaystyle z$ |
$\displaystyle Y$ |
$=$ |
$\displaystyle 2y$ |
$\displaystyle Z$ |
$=$ |
$\displaystyle w$ |
Maps to other modular curves
$j$-invariant map
of degree 96 from the embedded model of this modular curve to the modular curve
$X(1)$
:
$\displaystyle j$ |
$=$ |
$\displaystyle -2^4\,\frac{(5z^{4}-12z^{3}w+10z^{2}w^{2}+12zw^{3}+5w^{4})(7353696y^{2}z^{18}-94017024y^{2}z^{17}w+491934816y^{2}z^{16}w^{2}-1354392576y^{2}z^{15}w^{3}+1989885312y^{2}z^{14}w^{4}-1316238336y^{2}z^{13}w^{5}-300230784y^{2}z^{12}w^{6}+1054632960y^{2}z^{11}w^{7}-306396864y^{2}z^{10}w^{8}-306396864y^{2}z^{8}w^{10}-1054632960y^{2}z^{7}w^{11}-300230784y^{2}z^{6}w^{12}+1316238336y^{2}z^{5}w^{13}+1989885312y^{2}z^{4}w^{14}+1354392576y^{2}z^{3}w^{15}+491934816y^{2}z^{2}w^{16}+94017024y^{2}zw^{17}+7353696y^{2}w^{18}-1591433z^{20}+21392652z^{19}w-121862906z^{18}w^{2}+379092180z^{17}w^{3}-687113109z^{16}w^{4}+688300656z^{15}w^{5}-231357624z^{14}w^{6}-244556592z^{13}w^{7}+281297694z^{12}w^{8}-77493720z^{11}w^{9}-108372636z^{10}w^{10}+77493720z^{9}w^{11}+281297694z^{8}w^{12}+244556592z^{7}w^{13}-231357624z^{6}w^{14}-688300656z^{5}w^{15}-687113109z^{4}w^{16}-379092180z^{3}w^{17}-121862906z^{2}w^{18}-21392652zw^{19}-1591433w^{20})}{(z^{2}-2zw-w^{2})^{2}(z^{2}+2zw-w^{2})^{4}(1680y^{2}z^{10}-12672y^{2}z^{9}w+29136y^{2}z^{8}w^{2}-25344y^{2}z^{7}w^{3}-3936y^{2}z^{6}w^{4}-3936y^{2}z^{4}w^{6}+25344y^{2}z^{3}w^{7}+29136y^{2}z^{2}w^{8}+12672y^{2}zw^{9}+1680y^{2}w^{10}+83z^{12}-852z^{11}w+3522z^{10}w^{2}-4284z^{9}w^{3}+1245z^{8}w^{4}+3480z^{7}w^{5}-4388z^{6}w^{6}-3480z^{5}w^{7}+1245z^{4}w^{8}+4284z^{3}w^{9}+3522z^{2}w^{10}+852zw^{11}+83w^{12})}$ |
Hi
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Cover information
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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.