$\GL_2(\Z/16\Z)$-generators: |
$\begin{bmatrix}1&10\\8&3\end{bmatrix}$, $\begin{bmatrix}3&1\\0&7\end{bmatrix}$, $\begin{bmatrix}7&0\\0&7\end{bmatrix}$, $\begin{bmatrix}7&11\\8&15\end{bmatrix}$ |
Contains $-I$: |
yes |
Quadratic refinements: |
16.96.1-16.q.2.1, 16.96.1-16.q.2.2, 16.96.1-16.q.2.3, 16.96.1-16.q.2.4, 16.96.1-16.q.2.5, 16.96.1-16.q.2.6, 16.96.1-16.q.2.7, 16.96.1-16.q.2.8, 48.96.1-16.q.2.1, 48.96.1-16.q.2.2, 48.96.1-16.q.2.3, 48.96.1-16.q.2.4, 48.96.1-16.q.2.5, 48.96.1-16.q.2.6, 48.96.1-16.q.2.7, 48.96.1-16.q.2.8, 80.96.1-16.q.2.1, 80.96.1-16.q.2.2, 80.96.1-16.q.2.3, 80.96.1-16.q.2.4, 80.96.1-16.q.2.5, 80.96.1-16.q.2.6, 80.96.1-16.q.2.7, 80.96.1-16.q.2.8, 112.96.1-16.q.2.1, 112.96.1-16.q.2.2, 112.96.1-16.q.2.3, 112.96.1-16.q.2.4, 112.96.1-16.q.2.5, 112.96.1-16.q.2.6, 112.96.1-16.q.2.7, 112.96.1-16.q.2.8, 176.96.1-16.q.2.1, 176.96.1-16.q.2.2, 176.96.1-16.q.2.3, 176.96.1-16.q.2.4, 176.96.1-16.q.2.5, 176.96.1-16.q.2.6, 176.96.1-16.q.2.7, 176.96.1-16.q.2.8, 208.96.1-16.q.2.1, 208.96.1-16.q.2.2, 208.96.1-16.q.2.3, 208.96.1-16.q.2.4, 208.96.1-16.q.2.5, 208.96.1-16.q.2.6, 208.96.1-16.q.2.7, 208.96.1-16.q.2.8, 240.96.1-16.q.2.1, 240.96.1-16.q.2.2, 240.96.1-16.q.2.3, 240.96.1-16.q.2.4, 240.96.1-16.q.2.5, 240.96.1-16.q.2.6, 240.96.1-16.q.2.7, 240.96.1-16.q.2.8, 272.96.1-16.q.2.1, 272.96.1-16.q.2.2, 272.96.1-16.q.2.3, 272.96.1-16.q.2.4, 272.96.1-16.q.2.5, 272.96.1-16.q.2.6, 272.96.1-16.q.2.7, 272.96.1-16.q.2.8, 304.96.1-16.q.2.1, 304.96.1-16.q.2.2, 304.96.1-16.q.2.3, 304.96.1-16.q.2.4, 304.96.1-16.q.2.5, 304.96.1-16.q.2.6, 304.96.1-16.q.2.7, 304.96.1-16.q.2.8 |
Cyclic 16-isogeny field degree: |
$2$ |
Cyclic 16-torsion field degree: |
$8$ |
Full 16-torsion field degree: |
$512$ |
Weierstrass model Weierstrass model
$ y^{2} $ | $=$ | $ x^{3} - 44x - 112 $ |
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
$X(1)$
:
$\displaystyle j$ |
$=$ |
$\displaystyle -\frac{1}{2^2}\cdot\frac{48x^{2}y^{14}-368864x^{2}y^{12}z^{2}+1564511232x^{2}y^{10}z^{4}-118879404186624x^{2}y^{8}z^{6}-35827354485915648x^{2}y^{6}z^{8}+5486059308791169024x^{2}y^{4}z^{10}-236513474548762411008x^{2}y^{2}z^{12}+3279970130870308700160x^{2}z^{14}-1616xy^{14}z+74037504xy^{12}z^{3}-391934689536xy^{10}z^{5}-1242500991135744xy^{8}z^{7}-230282299356348416xy^{6}z^{9}+40179742035806257152xy^{4}z^{11}-1786078758714467155968xy^{2}z^{13}+25114253234762353213440xz^{15}+y^{16}-115584y^{14}z^{2}+1541236992y^{12}z^{4}-9120470863872y^{10}z^{6}-6474529098907648y^{8}z^{8}+136296699068940288y^{6}z^{10}+52469341391619096576y^{4}z^{12}-3078722489027691282432y^{2}z^{14}+47977490845124490428416z^{16}}{zy^{2}(1340x^{2}y^{10}z+6493696x^{2}y^{8}z^{3}+8644488448x^{2}y^{6}z^{5}+4671313813504x^{2}y^{4}z^{7}+1101563548418048x^{2}y^{2}z^{9}+94290337626849280x^{2}z^{11}+xy^{12}+28336xy^{10}z^{2}+87808768xy^{8}z^{4}+92761120768xy^{6}z^{6}+43175964020736xy^{4}z^{8}+9149470046355456xy^{2}z^{10}+721967372344229888xz^{12}+48y^{12}z+443744y^{10}z^{3}+822085632y^{8}z^{5}+582369900544y^{6}z^{7}+187200444301312y^{4}z^{9}+27061695578439680y^{2}z^{11}+1379224087347331072z^{13})}$ |
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.