Properties

Label 20.60.3.c.1
Level $20$
Index $60$
Genus $3$
Analytic rank $0$
Cusps $6$
$\Q$-cusps $0$

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Invariants

Level: $20$ $\SL_2$-level: $20$ Newform level: $100$
Index: $60$ $\PSL_2$-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 $5^{4}\cdot20^{2}$ Cusp orbits $2^{3}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $0$
$\Q$-gonality: $3 \le \gamma \le 4$
$\overline{\Q}$-gonality: $3$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 20E3
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 20.60.3.1

Level structure

$\GL_2(\Z/20\Z)$-generators: $\begin{bmatrix}1&14\\4&19\end{bmatrix}$, $\begin{bmatrix}5&12\\8&5\end{bmatrix}$, $\begin{bmatrix}17&11\\16&5\end{bmatrix}$, $\begin{bmatrix}19&9\\4&11\end{bmatrix}$, $\begin{bmatrix}19&11\\16&17\end{bmatrix}$
$\GL_2(\Z/20\Z)$-subgroup: $D_4\times C_8:D_6$
Contains $-I$: yes
Quadratic refinements: 20.120.3-20.c.1.1, 20.120.3-20.c.1.2, 20.120.3-20.c.1.3, 20.120.3-20.c.1.4, 20.120.3-20.c.1.5, 20.120.3-20.c.1.6, 20.120.3-20.c.1.7, 20.120.3-20.c.1.8, 40.120.3-20.c.1.1, 40.120.3-20.c.1.2, 40.120.3-20.c.1.3, 40.120.3-20.c.1.4, 40.120.3-20.c.1.5, 40.120.3-20.c.1.6, 40.120.3-20.c.1.7, 40.120.3-20.c.1.8, 40.120.3-20.c.1.9, 40.120.3-20.c.1.10, 40.120.3-20.c.1.11, 40.120.3-20.c.1.12, 40.120.3-20.c.1.13, 40.120.3-20.c.1.14, 40.120.3-20.c.1.15, 40.120.3-20.c.1.16, 40.120.3-20.c.1.17, 40.120.3-20.c.1.18, 40.120.3-20.c.1.19, 40.120.3-20.c.1.20, 40.120.3-20.c.1.21, 40.120.3-20.c.1.22, 40.120.3-20.c.1.23, 40.120.3-20.c.1.24, 60.120.3-20.c.1.1, 60.120.3-20.c.1.2, 60.120.3-20.c.1.3, 60.120.3-20.c.1.4, 60.120.3-20.c.1.5, 60.120.3-20.c.1.6, 60.120.3-20.c.1.7, 60.120.3-20.c.1.8, 120.120.3-20.c.1.1, 120.120.3-20.c.1.2, 120.120.3-20.c.1.3, 120.120.3-20.c.1.4, 120.120.3-20.c.1.5, 120.120.3-20.c.1.6, 120.120.3-20.c.1.7, 120.120.3-20.c.1.8, 120.120.3-20.c.1.9, 120.120.3-20.c.1.10, 120.120.3-20.c.1.11, 120.120.3-20.c.1.12, 120.120.3-20.c.1.13, 120.120.3-20.c.1.14, 120.120.3-20.c.1.15, 120.120.3-20.c.1.16, 120.120.3-20.c.1.17, 120.120.3-20.c.1.18, 120.120.3-20.c.1.19, 120.120.3-20.c.1.20, 120.120.3-20.c.1.21, 120.120.3-20.c.1.22, 120.120.3-20.c.1.23, 120.120.3-20.c.1.24, 140.120.3-20.c.1.1, 140.120.3-20.c.1.2, 140.120.3-20.c.1.3, 140.120.3-20.c.1.4, 140.120.3-20.c.1.5, 140.120.3-20.c.1.6, 140.120.3-20.c.1.7, 140.120.3-20.c.1.8, 220.120.3-20.c.1.1, 220.120.3-20.c.1.2, 220.120.3-20.c.1.3, 220.120.3-20.c.1.4, 220.120.3-20.c.1.5, 220.120.3-20.c.1.6, 220.120.3-20.c.1.7, 220.120.3-20.c.1.8, 260.120.3-20.c.1.1, 260.120.3-20.c.1.2, 260.120.3-20.c.1.3, 260.120.3-20.c.1.4, 260.120.3-20.c.1.5, 260.120.3-20.c.1.6, 260.120.3-20.c.1.7, 260.120.3-20.c.1.8, 280.120.3-20.c.1.1, 280.120.3-20.c.1.2, 280.120.3-20.c.1.3, 280.120.3-20.c.1.4, 280.120.3-20.c.1.5, 280.120.3-20.c.1.6, 280.120.3-20.c.1.7, 280.120.3-20.c.1.8, 280.120.3-20.c.1.9, 280.120.3-20.c.1.10, 280.120.3-20.c.1.11, 280.120.3-20.c.1.12, 280.120.3-20.c.1.13, 280.120.3-20.c.1.14, 280.120.3-20.c.1.15, 280.120.3-20.c.1.16, 280.120.3-20.c.1.17, 280.120.3-20.c.1.18, 280.120.3-20.c.1.19, 280.120.3-20.c.1.20, 280.120.3-20.c.1.21, 280.120.3-20.c.1.22, 280.120.3-20.c.1.23, 280.120.3-20.c.1.24
Cyclic 20-isogeny field degree: $6$
Cyclic 20-torsion field degree: $48$
Full 20-torsion field degree: $768$

Jacobian

Conductor: $2^{4}\cdot5^{6}$
Simple: no
Squarefree: no
Decomposition: $1^{3}$
Newforms: 50.2.a.b$^{2}$, 100.2.a.a

Models

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

$ 0 $ $=$ $ 2 x^{4} - 4 x^{3} y + 4 x^{3} z + 6 x^{2} y^{2} + 17 x^{2} y z + 5 x^{2} z^{2} - 4 x y^{3} - 17 x y^{2} z + \cdots - 2 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 $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle 2\cdot5^2\,\frac{2808x^{2}y^{13}+51880x^{2}y^{12}z+435274x^{2}y^{11}z^{2}+2365338x^{2}y^{10}z^{3}+9110190x^{2}y^{9}z^{4}+26111038x^{2}y^{8}z^{5}+56462820x^{2}y^{7}z^{6}+91565124x^{2}y^{6}z^{7}+109022548x^{2}y^{5}z^{8}+90187620x^{2}y^{4}z^{9}+48965042x^{2}y^{3}z^{10}+16482690x^{2}y^{2}z^{11}+3136806x^{2}yz^{12}+265302x^{2}z^{13}-2808xy^{14}-49072xy^{13}z-383394xy^{12}z^{2}-1930064xy^{11}z^{3}-6744852xy^{10}z^{4}-17000848xy^{9}z^{5}-30351782xy^{8}z^{6}-35102304xy^{7}z^{7}-17457424xy^{6}z^{8}+18834928xy^{5}z^{9}+41222578xy^{4}z^{10}+32482352xy^{3}z^{11}+13345884xy^{2}z^{12}+2871504xyz^{13}+265302xz^{14}+1728y^{15}+15952y^{14}z+90460y^{13}z^{2}+336519y^{12}z^{3}+884310y^{11}z^{4}+1667224y^{10}z^{5}+2104542y^{9}z^{6}+1573455y^{8}z^{7}-543716y^{7}z^{8}-3474120y^{6}z^{9}-7892872y^{5}z^{10}-11484267y^{4}z^{11}-9655250y^{3}z^{12}-4597344y^{2}z^{13}-1170450yz^{14}-132651z^{15}}{7x^{2}y^{13}+593x^{2}y^{12}z+11914x^{2}y^{11}z^{2}+92914x^{2}y^{10}z^{3}+353505x^{2}y^{9}z^{4}+731187x^{2}y^{8}z^{5}+850168x^{2}y^{7}z^{6}+549044x^{2}y^{6}z^{7}+196209x^{2}y^{5}z^{8}+45715x^{2}y^{4}z^{9}+6598x^{2}y^{3}z^{10}+642x^{2}y^{2}z^{11}+31x^{2}yz^{12}+x^{2}z^{13}-7xy^{14}-586xy^{13}z-11321xy^{12}z^{2}-81000xy^{11}z^{3}-260591xy^{10}z^{4}-377682xy^{9}z^{5}-118981xy^{8}z^{6}+301124xy^{7}z^{7}+352835xy^{6}z^{8}+150494xy^{5}z^{9}+39117xy^{4}z^{10}+5956xy^{3}z^{11}+611xy^{2}z^{12}+30xyz^{13}+xz^{14}+6y^{15}+341y^{14}z+3925y^{13}z^{2}+14416y^{12}z^{3}+19374y^{11}z^{4}+7451y^{10}z^{5}+4921y^{9}z^{6}-8160y^{8}z^{7}-73144y^{7}z^{8}-100901y^{6}z^{9}-52451y^{5}z^{10}-14656y^{4}z^{11}-2580y^{3}z^{12}-251y^{2}z^{13}-19yz^{14}}$

Modular covers

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Cover information

Click on a modular curve in the diagram to see information about it.

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

Factor curve Level Index Degree Genus Rank Kernel decomposition
$X_0(4)$ $4$ $10$ $10$ $0$ $0$ full Jacobian
$X_{\mathrm{ns}}^+(5)$ $5$ $6$ $6$ $0$ $0$ full Jacobian

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
$X_0(4)$ $4$ $10$ $10$ $0$ $0$ full Jacobian
10.30.1.a.1 $10$ $2$ $2$ $1$ $0$ $1^{2}$

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
20.120.5.i.1 $20$ $2$ $2$ $5$ $0$ $1^{2}$
20.120.5.j.1 $20$ $2$ $2$ $5$ $2$ $1^{2}$
20.120.5.m.1 $20$ $2$ $2$ $5$ $0$ $1^{2}$
20.120.5.n.1 $20$ $2$ $2$ $5$ $0$ $1^{2}$
20.120.7.b.1 $20$ $2$ $2$ $7$ $0$ $1^{4}$
20.120.7.p.1 $20$ $2$ $2$ $7$ $2$ $1^{4}$
20.120.7.s.1 $20$ $2$ $2$ $7$ $0$ $1^{4}$
20.120.7.t.1 $20$ $2$ $2$ $7$ $1$ $1^{4}$
20.120.7.w.1 $20$ $2$ $2$ $7$ $1$ $1^{4}$
20.120.7.x.1 $20$ $2$ $2$ $7$ $1$ $1^{4}$
20.120.7.ba.1 $20$ $2$ $2$ $7$ $1$ $1^{4}$
20.120.7.bb.1 $20$ $2$ $2$ $7$ $1$ $1^{4}$
20.180.7.m.1 $20$ $3$ $3$ $7$ $0$ $1^{4}$
40.120.5.be.1 $40$ $2$ $2$ $5$ $2$ $1^{2}$
40.120.5.bh.1 $40$ $2$ $2$ $5$ $0$ $1^{2}$
40.120.5.bq.1 $40$ $2$ $2$ $5$ $0$ $1^{2}$
40.120.5.bt.1 $40$ $2$ $2$ $5$ $2$ $1^{2}$
40.120.7.j.1 $40$ $2$ $2$ $7$ $0$ $1^{4}$
40.120.7.bu.1 $40$ $2$ $2$ $7$ $4$ $1^{4}$
40.120.7.cc.1 $40$ $2$ $2$ $7$ $3$ $1^{4}$
40.120.7.cf.1 $40$ $2$ $2$ $7$ $1$ $1^{4}$
40.120.7.ci.1 $40$ $2$ $2$ $7$ $0$ $1^{4}$
40.120.7.cj.1 $40$ $2$ $2$ $7$ $0$ $1^{4}$
40.120.7.ck.1 $40$ $2$ $2$ $7$ $3$ $1^{4}$
40.120.7.cl.1 $40$ $2$ $2$ $7$ $0$ $1^{4}$
40.120.7.cm.1 $40$ $2$ $2$ $7$ $0$ $1^{4}$
40.120.7.cn.1 $40$ $2$ $2$ $7$ $1$ $1^{4}$
40.120.7.co.1 $40$ $2$ $2$ $7$ $2$ $1^{4}$
40.120.7.cp.1 $40$ $2$ $2$ $7$ $1$ $1^{4}$
40.120.7.cq.1 $40$ $2$ $2$ $7$ $1$ $1^{4}$
40.120.7.cr.1 $40$ $2$ $2$ $7$ $2$ $1^{4}$
40.120.7.cs.1 $40$ $2$ $2$ $7$ $1$ $1^{4}$
40.120.7.ct.1 $40$ $2$ $2$ $7$ $4$ $1^{4}$
40.120.7.cu.1 $40$ $2$ $2$ $7$ $1$ $1^{4}$
40.120.7.cv.1 $40$ $2$ $2$ $7$ $1$ $1^{4}$
40.120.7.cw.1 $40$ $2$ $2$ $7$ $2$ $1^{4}$
40.120.7.cx.1 $40$ $2$ $2$ $7$ $4$ $1^{4}$
40.120.7.de.1 $40$ $2$ $2$ $7$ $2$ $1^{4}$
40.120.7.dh.1 $40$ $2$ $2$ $7$ $2$ $1^{4}$
40.120.7.dq.1 $40$ $2$ $2$ $7$ $0$ $1^{4}$
40.120.7.dt.1 $40$ $2$ $2$ $7$ $4$ $1^{4}$
60.120.5.i.1 $60$ $2$ $2$ $5$ $0$ $1^{2}$
60.120.5.j.1 $60$ $2$ $2$ $5$ $0$ $1^{2}$
60.120.5.m.1 $60$ $2$ $2$ $5$ $0$ $1^{2}$
60.120.5.n.1 $60$ $2$ $2$ $5$ $2$ $1^{2}$
60.120.7.s.1 $60$ $2$ $2$ $7$ $1$ $1^{4}$
60.120.7.t.1 $60$ $2$ $2$ $7$ $2$ $1^{4}$
60.120.7.w.1 $60$ $2$ $2$ $7$ $1$ $1^{4}$
60.120.7.x.1 $60$ $2$ $2$ $7$ $1$ $1^{4}$
60.120.7.ba.1 $60$ $2$ $2$ $7$ $3$ $1^{4}$
60.120.7.bb.1 $60$ $2$ $2$ $7$ $1$ $1^{4}$
60.120.7.be.1 $60$ $2$ $2$ $7$ $3$ $1^{4}$
60.120.7.bf.1 $60$ $2$ $2$ $7$ $1$ $1^{4}$
60.180.13.be.1 $60$ $3$ $3$ $13$ $5$ $1^{10}$
60.240.15.bq.1 $60$ $4$ $4$ $15$ $0$ $1^{12}$
100.300.23.c.1 $100$ $5$ $5$ $23$ $?$ not computed
120.120.5.be.1 $120$ $2$ $2$ $5$ $?$ not computed
120.120.5.bh.1 $120$ $2$ $2$ $5$ $?$ not computed
120.120.5.bq.1 $120$ $2$ $2$ $5$ $?$ not computed
120.120.5.bt.1 $120$ $2$ $2$ $5$ $?$ not computed
120.120.7.cc.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.cf.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.co.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.cr.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.cu.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.cv.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.cw.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.cx.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.cy.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.cz.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.da.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.db.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.dc.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.dd.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.de.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.df.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.dg.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.dh.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.di.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.dj.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.dq.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.dt.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.ec.1 $120$ $2$ $2$ $7$ $?$ not computed
120.120.7.ef.1 $120$ $2$ $2$ $7$ $?$ not computed
140.120.5.i.1 $140$ $2$ $2$ $5$ $?$ not computed
140.120.5.j.1 $140$ $2$ $2$ $5$ $?$ not computed
140.120.5.m.1 $140$ $2$ $2$ $5$ $?$ not computed
140.120.5.n.1 $140$ $2$ $2$ $5$ $?$ not computed
140.120.7.s.1 $140$ $2$ $2$ $7$ $?$ not computed
140.120.7.t.1 $140$ $2$ $2$ $7$ $?$ not computed
140.120.7.w.1 $140$ $2$ $2$ $7$ $?$ not computed
140.120.7.x.1 $140$ $2$ $2$ $7$ $?$ not computed
140.120.7.ba.1 $140$ $2$ $2$ $7$ $?$ not computed
140.120.7.bb.1 $140$ $2$ $2$ $7$ $?$ not computed
140.120.7.be.1 $140$ $2$ $2$ $7$ $?$ not computed
140.120.7.bf.1 $140$ $2$ $2$ $7$ $?$ not computed
220.120.5.i.1 $220$ $2$ $2$ $5$ $?$ not computed
220.120.5.j.1 $220$ $2$ $2$ $5$ $?$ not computed
220.120.5.m.1 $220$ $2$ $2$ $5$ $?$ not computed
220.120.5.n.1 $220$ $2$ $2$ $5$ $?$ not computed
220.120.7.s.1 $220$ $2$ $2$ $7$ $?$ not computed
220.120.7.t.1 $220$ $2$ $2$ $7$ $?$ not computed
220.120.7.w.1 $220$ $2$ $2$ $7$ $?$ not computed
220.120.7.x.1 $220$ $2$ $2$ $7$ $?$ not computed
220.120.7.ba.1 $220$ $2$ $2$ $7$ $?$ not computed
220.120.7.bb.1 $220$ $2$ $2$ $7$ $?$ not computed
220.120.7.be.1 $220$ $2$ $2$ $7$ $?$ not computed
220.120.7.bf.1 $220$ $2$ $2$ $7$ $?$ not computed
260.120.5.i.1 $260$ $2$ $2$ $5$ $?$ not computed
260.120.5.j.1 $260$ $2$ $2$ $5$ $?$ not computed
260.120.5.m.1 $260$ $2$ $2$ $5$ $?$ not computed
260.120.5.n.1 $260$ $2$ $2$ $5$ $?$ not computed
260.120.7.s.1 $260$ $2$ $2$ $7$ $?$ not computed
260.120.7.t.1 $260$ $2$ $2$ $7$ $?$ not computed
260.120.7.w.1 $260$ $2$ $2$ $7$ $?$ not computed
260.120.7.x.1 $260$ $2$ $2$ $7$ $?$ not computed
260.120.7.ba.1 $260$ $2$ $2$ $7$ $?$ not computed
260.120.7.bb.1 $260$ $2$ $2$ $7$ $?$ not computed
260.120.7.be.1 $260$ $2$ $2$ $7$ $?$ not computed
260.120.7.bf.1 $260$ $2$ $2$ $7$ $?$ not computed
280.120.5.be.1 $280$ $2$ $2$ $5$ $?$ not computed
280.120.5.bh.1 $280$ $2$ $2$ $5$ $?$ not computed
280.120.5.bq.1 $280$ $2$ $2$ $5$ $?$ not computed
280.120.5.bt.1 $280$ $2$ $2$ $5$ $?$ not computed
280.120.7.cc.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.cf.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.co.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.cr.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.cu.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.cv.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.cw.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.cx.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.cy.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.cz.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.da.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.db.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.dc.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.dd.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.de.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.df.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.dg.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.dh.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.di.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.dj.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.dq.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.dt.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.ec.1 $280$ $2$ $2$ $7$ $?$ not computed
280.120.7.ef.1 $280$ $2$ $2$ $7$ $?$ not computed