Properties

Label 48.96.1-48.cb.2.1
Level $48$
Index $96$
Genus $1$
Analytic rank $0$
Cusps $8$
$\Q$-cusps $2$

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Invariants

Level: $48$ $\SL_2$-level: $16$ Newform level: $288$
Index: $96$ $\PSL_2$-index:$48$
Genus: $1 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 8 }{2}$
Cusps: $8$ (of which $2$ are rational) Cusp widths $2^{4}\cdot4^{2}\cdot16^{2}$ Cusp orbits $1^{2}\cdot2^{3}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $0$
$\Q$-gonality: $2$
$\overline{\Q}$-gonality: $2$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 16G1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 48.96.1.974

Level structure

$\GL_2(\Z/48\Z)$-generators: $\begin{bmatrix}11&23\\44&27\end{bmatrix}$, $\begin{bmatrix}25&4\\36&47\end{bmatrix}$, $\begin{bmatrix}43&34\\12&13\end{bmatrix}$, $\begin{bmatrix}47&27\\24&41\end{bmatrix}$
Contains $-I$: no $\quad$ (see 48.48.1.cb.2 for the level structure with $-I$)
Cyclic 48-isogeny field degree: $8$
Cyclic 48-torsion field degree: $64$
Full 48-torsion field degree: $12288$

Jacobian

Conductor: $2^{5}\cdot3^{2}$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 288.2.a.d

Models

Weierstrass model Weierstrass model

$ y^{2} $ $=$ $ x^{3} - 99x + 378 $
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Rational points

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.

Weierstrass model
$(6:0:1)$, $(0:1:0)$

Maps to other modular curves

$j$-invariant map of degree 48 from the Weierstrass model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle \frac{1}{3}\cdot\frac{2232x^{2}y^{14}-69801223986x^{2}y^{12}z^{2}+8630998350150888x^{2}y^{10}z^{4}-141956909380425624561x^{2}y^{8}z^{6}+717926339135135488089168x^{2}y^{6}z^{8}-1475046256649715216484595289x^{2}y^{4}z^{10}+1303320875901571860504901151148x^{2}y^{2}z^{12}-411715752770322226985025083340825x^{2}z^{14}-1771884xy^{14}z+4867802805816xy^{12}z^{3}-266672882927098719xy^{10}z^{5}+2969872480609148627694xy^{8}z^{7}-11869594400810698466733144xy^{6}z^{9}+20790582672642410716129086408xy^{4}z^{11}-16356492996621153306933527814537xy^{2}z^{13}+4728671266773594021761143967723370xz^{15}-y^{16}+580010544y^{14}z^{2}-231707043048132y^{12}z^{4}+6293018435817973752y^{10}z^{6}-43829965684618689177612y^{8}z^{8}+118016006426462224514796192y^{6}z^{10}-141641803611311180361836796666y^{4}z^{12}+74765824943967299766167023760352y^{2}z^{14}-13550260500909963959106243235607001z^{16}}{y^{2}(x^{2}y^{12}-108x^{2}y^{10}z^{2}-10206x^{2}y^{8}z^{4}+314928x^{2}y^{6}z^{6}+90876411x^{2}y^{4}z^{8}+401769396x^{2}y^{2}z^{10}+387420489x^{2}z^{12}+1134xy^{10}z^{3}-218700xy^{8}z^{5}+6259194xy^{6}z^{7}+580333572xy^{4}z^{9}+2453663097xy^{2}z^{11}+2324522934xz^{13}-144y^{12}z^{2}+27216y^{10}z^{4}-1161297y^{8}z^{6}+35429400y^{6}z^{8}-5299529652y^{4}z^{10}-24794911296y^{2}z^{12}-24407490807z^{14})}$

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
16.48.0-8.bb.2.8 $16$ $2$ $2$ $0$ $0$ full Jacobian
24.48.0-8.bb.2.3 $24$ $2$ $2$ $0$ $0$ full Jacobian
48.48.0-48.f.1.1 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.48.0-48.f.1.2 $48$ $2$ $2$ $0$ $0$ full Jacobian
48.48.1-48.b.1.11 $48$ $2$ $2$ $1$ $0$ dimension zero
48.48.1-48.b.1.17 $48$ $2$ $2$ $1$ $0$ dimension zero

This modular curve is minimally covered by the modular curves in the database listed below.

Covering curve Level Index Degree Genus Rank Kernel decomposition
48.192.1-48.i.1.4 $48$ $2$ $2$ $1$ $0$ dimension zero
48.192.1-48.ba.2.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.192.1-48.bn.2.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.192.1-48.by.1.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.192.1-48.dm.1.2 $48$ $2$ $2$ $1$ $0$ dimension zero
48.192.1-48.ea.2.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.192.1-48.ee.2.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.192.1-48.eo.2.1 $48$ $2$ $2$ $1$ $0$ dimension zero
48.288.9-48.jt.1.17 $48$ $3$ $3$ $9$ $1$ $1^{4}\cdot2^{2}$
48.384.9-48.bfu.2.3 $48$ $4$ $4$ $9$ $1$ $1^{4}\cdot2^{2}$
240.192.1-240.oq.1.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.192.1-240.oy.2.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.192.1-240.pw.2.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.192.1-240.qe.2.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.192.1-240.to.1.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.192.1-240.tw.2.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.192.1-240.uu.2.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.192.1-240.vc.2.1 $240$ $2$ $2$ $1$ $?$ dimension zero
240.480.17-240.fn.1.2 $240$ $5$ $5$ $17$ $?$ not computed