Properties

Label 56.1008.34-56.z.1.58
Level $56$
Index $1008$
Genus $34$
Analytic rank $1$
Cusps $18$
$\Q$-cusps $0$

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Invariants

Level: $56$ $\SL_2$-level: $56$ Newform level: $392$
Index: $1008$ $\PSL_2$-index:$504$
Genus: $34 = 1 + \frac{ 504 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 18 }{2}$
Cusps: $18$ (none of which are rational) Cusp widths $14^{6}\cdot28^{9}\cdot56^{3}$ Cusp orbits $3^{4}\cdot6$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $1$
$\Q$-gonality: $5 \le \gamma \le 16$
$\overline{\Q}$-gonality: $5 \le \gamma \le 16$
Rational cusps: $0$
Rational CM points: none

Other labels

Rouse, Sutherland, and Zureick-Brown (RSZB) label: 56.1008.34.9

Level structure

$\GL_2(\Z/56\Z)$-generators: $\begin{bmatrix}1&16\\28&41\end{bmatrix}$, $\begin{bmatrix}5&48\\32&41\end{bmatrix}$, $\begin{bmatrix}21&24\\12&49\end{bmatrix}$, $\begin{bmatrix}35&32\\30&35\end{bmatrix}$, $\begin{bmatrix}43&28\\6&27\end{bmatrix}$, $\begin{bmatrix}53&28\\10&3\end{bmatrix}$
Contains $-I$: no $\quad$ (see 56.504.34.z.1 for the level structure with $-I$)
Cyclic 56-isogeny field degree: $16$
Cyclic 56-torsion field degree: $192$
Full 56-torsion field degree: $3072$

Jacobian

Conductor: $2^{84}\cdot7^{68}$
Simple: no
Squarefree: no
Decomposition: $1^{4}\cdot2^{6}\cdot6\cdot12$
Newforms: 98.2.a.b$^{3}$, 196.2.a.b$^{2}$, 196.2.a.c$^{2}$, 392.2.a.c, 392.2.a.f, 392.2.a.g, 392.2.b.e, 392.2.b.g

Rational points

This modular curve has no $\Q_p$ points for $p=3,11,67$, and therefore no rational points.

Modular covers

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

Factor curve Level Index Degree Genus Rank Kernel decomposition
$X_{\mathrm{ns}}^+(7)$ $7$ $48$ $24$ $0$ $0$ full Jacobian
8.48.0-8.e.2.13 $8$ $21$ $21$ $0$ $0$ full Jacobian

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
8.48.0-8.e.2.13 $8$ $21$ $21$ $0$ $0$ full Jacobian
28.504.16-28.b.1.11 $28$ $2$ $2$ $16$ $1$ $6\cdot12$
56.504.16-28.b.1.1 $56$ $2$ $2$ $16$ $1$ $6\cdot12$

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
56.2016.67-56.en.1.26 $56$ $2$ $2$ $67$ $5$ $1^{13}\cdot2^{3}\cdot4^{2}\cdot6$
56.2016.67-56.er.1.26 $56$ $2$ $2$ $67$ $16$ $1^{13}\cdot2^{3}\cdot4^{2}\cdot6$
56.2016.67-56.ev.2.28 $56$ $2$ $2$ $67$ $10$ $1^{13}\cdot2^{3}\cdot4^{2}\cdot6$
56.2016.67-56.ez.2.26 $56$ $2$ $2$ $67$ $1$ $1^{13}\cdot2^{3}\cdot4^{2}\cdot6$
56.2016.67-56.ff.2.44 $56$ $2$ $2$ $67$ $2$ $1^{13}\cdot2^{3}\cdot4^{2}\cdot6$
56.2016.67-56.fj.1.26 $56$ $2$ $2$ $67$ $8$ $1^{13}\cdot2^{3}\cdot4^{2}\cdot6$
56.2016.67-56.fn.2.25 $56$ $2$ $2$ $67$ $8$ $1^{13}\cdot2^{3}\cdot4^{2}\cdot6$
56.2016.67-56.fr.2.26 $56$ $2$ $2$ $67$ $6$ $1^{13}\cdot2^{3}\cdot4^{2}\cdot6$
56.2016.70-56.h.1.7 $56$ $2$ $2$ $70$ $6$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.l.1.1 $56$ $2$ $2$ $70$ $6$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.t.1.7 $56$ $2$ $2$ $70$ $10$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.x.1.7 $56$ $2$ $2$ $70$ $10$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.bd.1.5 $56$ $2$ $2$ $70$ $6$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.bf.1.8 $56$ $2$ $2$ $70$ $6$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.bl.1.7 $56$ $2$ $2$ $70$ $10$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.bn.1.7 $56$ $2$ $2$ $70$ $10$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.bt.1.26 $56$ $2$ $2$ $70$ $7$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.bv.1.26 $56$ $2$ $2$ $70$ $7$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.cb.1.26 $56$ $2$ $2$ $70$ $10$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.cd.1.26 $56$ $2$ $2$ $70$ $10$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.cj.1.25 $56$ $2$ $2$ $70$ $6$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.cl.1.25 $56$ $2$ $2$ $70$ $6$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.cr.1.26 $56$ $2$ $2$ $70$ $9$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.ct.1.26 $56$ $2$ $2$ $70$ $9$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.cz.2.14 $56$ $2$ $2$ $70$ $9$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.db.2.15 $56$ $2$ $2$ $70$ $9$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.dh.2.13 $56$ $2$ $2$ $70$ $6$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.dj.2.16 $56$ $2$ $2$ $70$ $6$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.dp.2.14 $56$ $2$ $2$ $70$ $10$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.dr.2.12 $56$ $2$ $2$ $70$ $10$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.dx.2.15 $56$ $2$ $2$ $70$ $7$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.dz.2.9 $56$ $2$ $2$ $70$ $7$ $1^{14}\cdot2^{4}\cdot4^{2}\cdot6$
56.2016.70-56.eh.1.26 $56$ $2$ $2$ $70$ $10$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.ej.1.26 $56$ $2$ $2$ $70$ $10$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.ep.1.25 $56$ $2$ $2$ $70$ $6$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.er.1.25 $56$ $2$ $2$ $70$ $6$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.ez.1.26 $56$ $2$ $2$ $70$ $10$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.fd.1.26 $56$ $2$ $2$ $70$ $10$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.fl.1.26 $56$ $2$ $2$ $70$ $6$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.70-56.fp.1.22 $56$ $2$ $2$ $70$ $6$ $1^{6}\cdot2^{6}\cdot6\cdot12$
56.2016.73-56.df.1.25 $56$ $2$ $2$ $73$ $9$ $1\cdot2^{8}\cdot4\cdot6\cdot12$
56.2016.73-56.dn.1.21 $56$ $2$ $2$ $73$ $9$ $1\cdot2^{8}\cdot4\cdot6\cdot12$
56.2016.73-56.ee.1.26 $56$ $2$ $2$ $73$ $9$ $1\cdot2^{8}\cdot4\cdot6\cdot12$
56.2016.73-56.ei.1.26 $56$ $2$ $2$ $73$ $9$ $1\cdot2^{8}\cdot4\cdot6\cdot12$
56.2016.73-56.gv.1.26 $56$ $2$ $2$ $73$ $10$ $1\cdot2^{8}\cdot4\cdot6\cdot12$
56.2016.73-56.gx.1.26 $56$ $2$ $2$ $73$ $10$ $1\cdot2^{8}\cdot4\cdot6\cdot12$
56.2016.73-56.hd.1.26 $56$ $2$ $2$ $73$ $10$ $1\cdot2^{8}\cdot4\cdot6\cdot12$
56.2016.73-56.hf.1.26 $56$ $2$ $2$ $73$ $10$ $1\cdot2^{8}\cdot4\cdot6\cdot12$
56.2016.73-56.jt.1.26 $56$ $2$ $2$ $73$ $12$ $1^{9}\cdot2^{8}\cdot4^{2}\cdot6$
56.2016.73-56.jv.1.26 $56$ $2$ $2$ $73$ $12$ $1^{9}\cdot2^{8}\cdot4^{2}\cdot6$
56.2016.73-56.kb.1.26 $56$ $2$ $2$ $73$ $8$ $1^{9}\cdot2^{8}\cdot4^{2}\cdot6$
56.2016.73-56.kd.1.26 $56$ $2$ $2$ $73$ $8$ $1^{9}\cdot2^{8}\cdot4^{2}\cdot6$
56.2016.73-56.kj.1.26 $56$ $2$ $2$ $73$ $12$ $1^{9}\cdot2^{8}\cdot4^{2}\cdot6$
56.2016.73-56.kl.1.26 $56$ $2$ $2$ $73$ $12$ $1^{9}\cdot2^{8}\cdot4^{2}\cdot6$
56.2016.73-56.kr.1.25 $56$ $2$ $2$ $73$ $10$ $1^{9}\cdot2^{8}\cdot4^{2}\cdot6$
56.2016.73-56.kt.1.25 $56$ $2$ $2$ $73$ $10$ $1^{9}\cdot2^{8}\cdot4^{2}\cdot6$