Properties

Label 56.1344.93.l.1
Level $56$
Index $1344$
Genus $93$
Analytic rank $7$
Cusps $40$
$\Q$-cusps $4$

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Invariants

Level: $56$ $\SL_2$-level: $56$ Newform level: $784$
Index: $1344$ $\PSL_2$-index:$1344$
Genus: $93 = 1 + \frac{ 1344 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 40 }{2}$
Cusps: $40$ (of which $4$ are rational) Cusp widths $28^{32}\cdot56^{8}$ Cusp orbits $1^{4}\cdot2^{3}\cdot3^{4}\cdot6^{3}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $7$
$\Q$-gonality: $14 \le \gamma \le 28$
$\overline{\Q}$-gonality: $14 \le \gamma \le 28$
Rational cusps: $4$
Rational CM points: none

Other labels

Rouse, Sutherland, and Zureick-Brown (RSZB) label: 56.1344.93.2

Level structure

$\GL_2(\Z/56\Z)$-generators: $\begin{bmatrix}1&12\\12&41\end{bmatrix}$, $\begin{bmatrix}9&4\\8&47\end{bmatrix}$, $\begin{bmatrix}9&36\\44&45\end{bmatrix}$, $\begin{bmatrix}15&44\\4&17\end{bmatrix}$, $\begin{bmatrix}33&20\\40&25\end{bmatrix}$, $\begin{bmatrix}33&28\\12&23\end{bmatrix}$, $\begin{bmatrix}39&36\\44&45\end{bmatrix}$
Contains $-I$: yes
Quadratic refinements: 56.2688.93-56.l.1.1, 56.2688.93-56.l.1.2, 56.2688.93-56.l.1.3, 56.2688.93-56.l.1.4, 56.2688.93-56.l.1.5, 56.2688.93-56.l.1.6, 56.2688.93-56.l.1.7, 56.2688.93-56.l.1.8, 56.2688.93-56.l.1.9, 56.2688.93-56.l.1.10, 56.2688.93-56.l.1.11, 56.2688.93-56.l.1.12, 56.2688.93-56.l.1.13, 56.2688.93-56.l.1.14, 56.2688.93-56.l.1.15, 56.2688.93-56.l.1.16, 56.2688.93-56.l.1.17, 56.2688.93-56.l.1.18, 56.2688.93-56.l.1.19, 56.2688.93-56.l.1.20, 56.2688.93-56.l.1.21, 56.2688.93-56.l.1.22, 56.2688.93-56.l.1.23, 56.2688.93-56.l.1.24, 56.2688.93-56.l.1.25, 56.2688.93-56.l.1.26, 56.2688.93-56.l.1.27, 56.2688.93-56.l.1.28, 56.2688.93-56.l.1.29, 56.2688.93-56.l.1.30, 56.2688.93-56.l.1.31, 56.2688.93-56.l.1.32, 56.2688.93-56.l.1.33, 56.2688.93-56.l.1.34, 56.2688.93-56.l.1.35, 56.2688.93-56.l.1.36, 56.2688.93-56.l.1.37, 56.2688.93-56.l.1.38, 56.2688.93-56.l.1.39, 56.2688.93-56.l.1.40
Cyclic 56-isogeny field degree: $4$
Cyclic 56-torsion field degree: $48$
Full 56-torsion field degree: $2304$

Jacobian

Conductor: $2^{258}\cdot7^{163}$
Simple: no
Squarefree: no
Decomposition: $1^{21}\cdot2^{14}\cdot4^{2}\cdot6^{2}\cdot12^{2}$
Newforms: 14.2.a.a$^{4}$, 56.2.a.a$^{2}$, 56.2.a.b$^{2}$, 56.2.b.a$^{2}$, 56.2.b.b$^{2}$, 98.2.a.b$^{4}$, 112.2.a.a, 112.2.a.b, 112.2.a.c, 196.2.a.b$^{3}$, 196.2.a.c$^{3}$, 392.2.a.c$^{2}$, 392.2.a.f$^{2}$, 392.2.a.g$^{2}$, 392.2.b.e$^{2}$, 392.2.b.g$^{2}$, 784.2.a.a, 784.2.a.d, 784.2.a.h, 784.2.a.k, 784.2.a.l, 784.2.a.m

Rational points

This modular curve has 4 rational cusps but no known non-cuspidal 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
$X_{\mathrm{sp}}^+(7)$ $7$ $48$ $48$ $0$ $0$ full Jacobian
8.48.0.c.1 $8$ $28$ $28$ $0$ $0$ full Jacobian

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
8.48.0.c.1 $8$ $28$ $28$ $0$ $0$ full Jacobian
28.672.45.b.1 $28$ $2$ $2$ $45$ $7$ $2^{2}\cdot4^{2}\cdot6^{2}\cdot12^{2}$
56.672.45.bb.1 $56$ $2$ $2$ $45$ $1$ $1^{12}\cdot2^{7}\cdot4\cdot6\cdot12$
56.672.45.bb.2 $56$ $2$ $2$ $45$ $1$ $1^{12}\cdot2^{7}\cdot4\cdot6\cdot12$

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
56.2688.185.m.1 $56$ $2$ $2$ $185$ $18$ $1^{38}\cdot2^{9}\cdot4^{6}\cdot6^{2}$
56.2688.185.q.1 $56$ $2$ $2$ $185$ $34$ $1^{38}\cdot2^{9}\cdot4^{6}\cdot6^{2}$
56.2688.185.bm.1 $56$ $2$ $2$ $185$ $16$ $1^{38}\cdot2^{9}\cdot4^{6}\cdot6^{2}$
56.2688.185.bq.1 $56$ $2$ $2$ $185$ $30$ $1^{38}\cdot2^{9}\cdot4^{6}\cdot6^{2}$
56.2688.185.cp.1 $56$ $2$ $2$ $185$ $23$ $1^{38}\cdot2^{9}\cdot4^{6}\cdot6^{2}$
56.2688.185.ct.1 $56$ $2$ $2$ $185$ $24$ $1^{38}\cdot2^{9}\cdot4^{6}\cdot6^{2}$
56.2688.185.dn.1 $56$ $2$ $2$ $185$ $19$ $1^{38}\cdot2^{9}\cdot4^{6}\cdot6^{2}$
56.2688.185.dr.1 $56$ $2$ $2$ $185$ $24$ $1^{38}\cdot2^{9}\cdot4^{6}\cdot6^{2}$
56.2688.193.px.1 $56$ $2$ $2$ $193$ $29$ $1^{16}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
56.2688.193.px.2 $56$ $2$ $2$ $193$ $29$ $1^{16}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
56.2688.193.py.1 $56$ $2$ $2$ $193$ $31$ $1^{16}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
56.2688.193.py.2 $56$ $2$ $2$ $193$ $31$ $1^{16}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
56.2688.193.pz.1 $56$ $2$ $2$ $193$ $24$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot6^{2}$
56.2688.193.pz.2 $56$ $2$ $2$ $193$ $24$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot6^{2}$
56.2688.193.qa.1 $56$ $2$ $2$ $193$ $24$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot6^{2}$
56.2688.193.qa.2 $56$ $2$ $2$ $193$ $24$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot6^{2}$
56.2688.193.qb.1 $56$ $2$ $2$ $193$ $32$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot6^{2}$
56.2688.193.qb.2 $56$ $2$ $2$ $193$ $32$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot6^{2}$
56.2688.193.qc.1 $56$ $2$ $2$ $193$ $32$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot6^{2}$
56.2688.193.qc.2 $56$ $2$ $2$ $193$ $32$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot6^{2}$
56.2688.193.qd.1 $56$ $2$ $2$ $193$ $26$ $1^{16}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
56.2688.193.qd.2 $56$ $2$ $2$ $193$ $26$ $1^{16}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
56.2688.193.qe.1 $56$ $2$ $2$ $193$ $22$ $1^{16}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
56.2688.193.qe.2 $56$ $2$ $2$ $193$ $22$ $1^{16}\cdot2^{18}\cdot4^{3}\cdot6^{2}\cdot12^{2}$
56.2688.201.ey.1 $56$ $2$ $2$ $201$ $29$ $1^{16}\cdot2^{20}\cdot4^{6}\cdot12\cdot16$
56.2688.201.ez.1 $56$ $2$ $2$ $201$ $22$ $1^{16}\cdot2^{20}\cdot4^{6}\cdot12\cdot16$
56.2688.201.fa.1 $56$ $2$ $2$ $201$ $31$ $1^{16}\cdot2^{20}\cdot4^{6}\cdot12\cdot16$
56.2688.201.fb.1 $56$ $2$ $2$ $201$ $26$ $1^{16}\cdot2^{20}\cdot4^{6}\cdot12\cdot16$
56.2688.201.fc.1 $56$ $2$ $2$ $201$ $24$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot8\cdot12$
56.2688.201.fd.1 $56$ $2$ $2$ $201$ $32$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot8\cdot12$
56.2688.201.fe.1 $56$ $2$ $2$ $201$ $24$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot8\cdot12$
56.2688.201.ff.1 $56$ $2$ $2$ $201$ $32$ $1^{32}\cdot2^{16}\cdot4^{6}\cdot8\cdot12$
56.4032.277.bm.1 $56$ $3$ $3$ $277$ $28$ $1^{58}\cdot2^{21}\cdot4^{6}\cdot6^{6}\cdot12^{2}$