$\GL_2(\Z/48\Z)$-generators: |
$\begin{bmatrix}5&30\\32&37\end{bmatrix}$, $\begin{bmatrix}11&16\\0&7\end{bmatrix}$, $\begin{bmatrix}17&9\\0&47\end{bmatrix}$, $\begin{bmatrix}31&23\\24&41\end{bmatrix}$, $\begin{bmatrix}35&15\\20&11\end{bmatrix}$ |
Contains $-I$: |
yes |
Quadratic refinements: |
48.96.1-48.bz.2.1, 48.96.1-48.bz.2.2, 48.96.1-48.bz.2.3, 48.96.1-48.bz.2.4, 48.96.1-48.bz.2.5, 48.96.1-48.bz.2.6, 48.96.1-48.bz.2.7, 48.96.1-48.bz.2.8, 48.96.1-48.bz.2.9, 48.96.1-48.bz.2.10, 48.96.1-48.bz.2.11, 48.96.1-48.bz.2.12, 48.96.1-48.bz.2.13, 48.96.1-48.bz.2.14, 48.96.1-48.bz.2.15, 48.96.1-48.bz.2.16, 240.96.1-48.bz.2.1, 240.96.1-48.bz.2.2, 240.96.1-48.bz.2.3, 240.96.1-48.bz.2.4, 240.96.1-48.bz.2.5, 240.96.1-48.bz.2.6, 240.96.1-48.bz.2.7, 240.96.1-48.bz.2.8, 240.96.1-48.bz.2.9, 240.96.1-48.bz.2.10, 240.96.1-48.bz.2.11, 240.96.1-48.bz.2.12, 240.96.1-48.bz.2.13, 240.96.1-48.bz.2.14, 240.96.1-48.bz.2.15, 240.96.1-48.bz.2.16 |
Cyclic 48-isogeny field degree: |
$8$ |
Cyclic 48-torsion field degree: |
$128$ |
Full 48-torsion field degree: |
$24576$ |
Weierstrass model Weierstrass model
$ y^{2} $ | $=$ | $ x^{3} - 99x - 378 $ |
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 to other modular curves
$j$-invariant map
of degree 48 from the Weierstrass model of this modular curve to the modular curve
$X(1)$
:
$\displaystyle j$ |
$=$ |
$\displaystyle \frac{1}{3}\cdot\frac{2232x^{2}y^{14}+69801223986x^{2}y^{12}z^{2}+8630998350150888x^{2}y^{10}z^{4}+141956909380425624561x^{2}y^{8}z^{6}+717926339135135488089168x^{2}y^{6}z^{8}+1475046256649715216484595289x^{2}y^{4}z^{10}+1303320875901571860504901151148x^{2}y^{2}z^{12}+411715752770322226985025083340825x^{2}z^{14}+1771884xy^{14}z+4867802805816xy^{12}z^{3}+266672882927098719xy^{10}z^{5}+2969872480609148627694xy^{8}z^{7}+11869594400810698466733144xy^{6}z^{9}+20790582672642410716129086408xy^{4}z^{11}+16356492996621153306933527814537xy^{2}z^{13}+4728671266773594021761143967723370xz^{15}+y^{16}+580010544y^{14}z^{2}+231707043048132y^{12}z^{4}+6293018435817973752y^{10}z^{6}+43829965684618689177612y^{8}z^{8}+118016006426462224514796192y^{6}z^{10}+141641803611311180361836796666y^{4}z^{12}+74765824943967299766167023760352y^{2}z^{14}+13550260500909963959106243235607001z^{16}}{y^{2}(x^{2}y^{12}+108x^{2}y^{10}z^{2}-10206x^{2}y^{8}z^{4}-314928x^{2}y^{6}z^{6}+90876411x^{2}y^{4}z^{8}-401769396x^{2}y^{2}z^{10}+387420489x^{2}z^{12}+1134xy^{10}z^{3}+218700xy^{8}z^{5}+6259194xy^{6}z^{7}-580333572xy^{4}z^{9}+2453663097xy^{2}z^{11}-2324522934xz^{13}-144y^{12}z^{2}-27216y^{10}z^{4}-1161297y^{8}z^{6}-35429400y^{6}z^{8}-5299529652y^{4}z^{10}+24794911296y^{2}z^{12}-24407490807z^{14})}$ |
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.