Properties

Label 280.120.3-20.a.1.2
Level $280$
Index $120$
Genus $3$
Cusps $6$
$\Q$-cusps $0$

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Invariants

Level: $280$ $\SL_2$-level: $20$ Newform level: $400$
Index: $120$ $\PSL_2$-index:$60$
Genus: $3 = 1 + \frac{ 60 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$
Cusps: $6$ (none of which are rational) Cusp widths $10^{6}$ Cusp orbits $2\cdot4$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: not computed
$\Q$-gonality: $3 \le \gamma \le 4$
$\overline{\Q}$-gonality: $3$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 10A3

Level structure

$\GL_2(\Z/280\Z)$-generators: $\begin{bmatrix}116&23\\99&254\end{bmatrix}$, $\begin{bmatrix}138&201\\45&222\end{bmatrix}$, $\begin{bmatrix}157&14\\64&65\end{bmatrix}$, $\begin{bmatrix}186&189\\269&244\end{bmatrix}$, $\begin{bmatrix}197&114\\54&85\end{bmatrix}$, $\begin{bmatrix}211&196\\216&39\end{bmatrix}$
Contains $-I$: no $\quad$ (see 20.60.3.a.1 for the level structure with $-I$)
Cyclic 280-isogeny field degree: $192$
Cyclic 280-torsion field degree: $18432$
Full 280-torsion field degree: $12386304$

Models

Canonical model in $\mathbb{P}^{ 2 }$

$ 0 $ $=$ $ x^{4} + 9 x^{2} y^{2} - x^{2} y z - 14 x^{2} z^{2} + 14 y^{4} + 8 y^{3} z - 19 y^{2} z^{2} + 7 y z^{3} - z^{4} $
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Rational points

This modular curve has real points and $\Q_p$ points for $p$ not dividing the level, but no known rational points.

Maps to other modular curves

$j$-invariant map of degree 60 from the canonical model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle -5^2\,\frac{(y-z)(132587x^{2}y^{12}+288007x^{2}y^{11}z-1142917x^{2}y^{10}z^{2}-3519245x^{2}y^{9}z^{3}+1299265x^{2}y^{8}z^{4}+11909897x^{2}y^{7}z^{5}+6427877x^{2}y^{6}z^{6}-13487547x^{2}y^{5}z^{7}-14301360x^{2}y^{4}z^{8}+2086620x^{2}y^{3}z^{9}+7177908x^{2}y^{2}z^{10}+2896668x^{2}yz^{11}+363312x^{2}z^{12}+264854y^{14}+837988y^{13}z-1332539y^{12}z^{2}-7229793y^{11}z^{3}-2723141y^{10}z^{4}+16717019y^{9}z^{5}+15896893y^{8}z^{6}-12487479y^{7}z^{7}-17628773y^{6}z^{8}+1971049y^{5}z^{9}+5384146y^{4}z^{10}+314212y^{3}z^{11}-427736y^{2}z^{12}+24268yz^{13}+25816z^{14})}{5x^{2}y^{12}z-70x^{2}y^{11}z^{2}+420x^{2}y^{10}z^{3}-1175x^{2}y^{9}z^{4}+100x^{2}y^{8}z^{5}+7905x^{2}y^{7}z^{6}-13020x^{2}y^{6}z^{7}-17155x^{2}y^{5}z^{8}+49600x^{2}y^{4}z^{9}+16425x^{2}y^{3}z^{10}-73830x^{2}y^{2}z^{11}-6930x^{2}yz^{12}+39005x^{2}z^{13}+y^{15}+5y^{14}z-135y^{13}z^{2}+750y^{12}z^{3}-1655y^{11}z^{4}-1511y^{10}z^{5}+15580y^{9}z^{6}-16785y^{8}z^{7}-42850y^{7}z^{8}+76745y^{6}z^{9}+48882y^{5}z^{10}-111555y^{4}z^{11}-6140y^{3}z^{12}+53075y^{2}z^{13}-19995yz^{14}+2772z^{15}}$

Modular covers

The following modular covers realize this modular curve as a fiber product over $X(1)$.

Factor curve Level Index Degree Genus Rank
$X_{\mathrm{ns}}^+(5)$ $5$ $12$ $6$ $0$ $0$
56.12.0-4.a.1.1 $56$ $10$ $10$ $0$ $0$

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
56.12.0-4.a.1.1 $56$ $10$ $10$ $0$ $0$

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

Covering curve Level Index Degree Genus
280.240.5-20.c.1.2 $280$ $2$ $2$ $5$
280.240.5-140.c.1.4 $280$ $2$ $2$ $5$
280.240.5-20.d.1.2 $280$ $2$ $2$ $5$
280.240.5-140.d.1.2 $280$ $2$ $2$ $5$
280.240.5-20.e.1.1 $280$ $2$ $2$ $5$
280.240.5-140.e.1.2 $280$ $2$ $2$ $5$
280.240.5-20.f.1.2 $280$ $2$ $2$ $5$
280.240.5-140.f.1.3 $280$ $2$ $2$ $5$
280.240.5-40.m.1.1 $280$ $2$ $2$ $5$
280.240.5-280.m.1.1 $280$ $2$ $2$ $5$
280.240.5-40.p.1.4 $280$ $2$ $2$ $5$
280.240.5-280.p.1.2 $280$ $2$ $2$ $5$
280.240.5-40.s.1.4 $280$ $2$ $2$ $5$
280.240.5-280.s.1.4 $280$ $2$ $2$ $5$
280.240.5-40.v.1.1 $280$ $2$ $2$ $5$
280.240.5-280.v.1.1 $280$ $2$ $2$ $5$
280.240.7-20.i.1.3 $280$ $2$ $2$ $7$
280.240.7-140.i.1.8 $280$ $2$ $2$ $7$
280.240.7-20.j.1.3 $280$ $2$ $2$ $7$
280.240.7-140.j.1.4 $280$ $2$ $2$ $7$
280.240.7-20.k.1.1 $280$ $2$ $2$ $7$
280.240.7-140.k.1.1 $280$ $2$ $2$ $7$
280.240.7-20.l.1.1 $280$ $2$ $2$ $7$
280.240.7-140.l.1.7 $280$ $2$ $2$ $7$
280.240.7-20.m.1.1 $280$ $2$ $2$ $7$
280.240.7-140.m.1.5 $280$ $2$ $2$ $7$
280.240.7-20.n.1.1 $280$ $2$ $2$ $7$
280.240.7-140.n.1.3 $280$ $2$ $2$ $7$
280.240.7-20.o.1.3 $280$ $2$ $2$ $7$
280.240.7-140.o.1.4 $280$ $2$ $2$ $7$
280.240.7-20.p.1.3 $280$ $2$ $2$ $7$
280.240.7-140.p.1.8 $280$ $2$ $2$ $7$
280.240.7-40.y.1.6 $280$ $2$ $2$ $7$
280.240.7-280.y.1.14 $280$ $2$ $2$ $7$
280.240.7-40.bb.1.7 $280$ $2$ $2$ $7$
280.240.7-280.bb.1.14 $280$ $2$ $2$ $7$
280.240.7-40.be.1.2 $280$ $2$ $2$ $7$
280.240.7-280.be.1.5 $280$ $2$ $2$ $7$
280.240.7-40.bh.1.4 $280$ $2$ $2$ $7$
280.240.7-280.bh.1.9 $280$ $2$ $2$ $7$
280.240.7-40.bk.1.3 $280$ $2$ $2$ $7$
280.240.7-280.bk.1.3 $280$ $2$ $2$ $7$
280.240.7-40.bn.1.2 $280$ $2$ $2$ $7$
280.240.7-280.bn.1.1 $280$ $2$ $2$ $7$
280.240.7-40.bq.1.8 $280$ $2$ $2$ $7$
280.240.7-280.bq.1.10 $280$ $2$ $2$ $7$
280.240.7-40.bt.1.6 $280$ $2$ $2$ $7$
280.240.7-280.bt.1.10 $280$ $2$ $2$ $7$
280.360.7-20.d.1.1 $280$ $3$ $3$ $7$