Invariants
Level: | $56$ | $\SL_2$-level: | $56$ | Newform level: | $3136$ | ||
Index: | $10752$ | $\PSL_2$-index: | $5376$ | ||||
Genus: | $385 = 1 + \frac{ 5376 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 128 }{2}$ | ||||||
Cusps: | $128$ (none of which are rational) | Cusp widths | $28^{64}\cdot56^{64}$ | Cusp orbits | $4^{6}\cdot6^{12}\cdot8\cdot12^{2}$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
Analytic rank: | $66$ | ||||||
$\Q$-gonality: | $54 \le \gamma \le 112$ | ||||||
$\overline{\Q}$-gonality: | $54 \le \gamma \le 112$ | ||||||
Rational cusps: | $0$ | ||||||
Rational CM points: | none |
Other labels
Rouse, Sutherland, and Zureick-Brown (RSZB) label: | 56.10752.385.25864 |
Level structure
$\GL_2(\Z/56\Z)$-generators: | $\begin{bmatrix}15&18\\30&55\end{bmatrix}$, $\begin{bmatrix}19&6\\52&1\end{bmatrix}$, $\begin{bmatrix}27&14\\52&1\end{bmatrix}$, $\begin{bmatrix}41&48\\10&23\end{bmatrix}$ |
$\GL_2(\Z/56\Z)$-subgroup: | $C_6^2:C_2^3$ |
Contains $-I$: | no $\quad$ (see 56.5376.385.qx.2 for the level structure with $-I$) |
Cyclic 56-isogeny field degree: | $4$ |
Cyclic 56-torsion field degree: | $24$ |
Full 56-torsion field degree: | $288$ |
Jacobian
Rational points
This modular curve has no $\Q_p$ points for $p=3,5,13,\ldots,2273$, 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 |
---|---|---|---|---|---|---|
7.56.1.b.1 | $7$ | $192$ | $96$ | $1$ | $0$ | $1^{106}\cdot2^{57}\cdot4^{17}\cdot6^{8}\cdot12^{4}$ |
8.192.1-8.h.1.4 | $8$ | $56$ | $56$ | $1$ | $0$ | $1^{106}\cdot2^{57}\cdot4^{17}\cdot6^{8}\cdot12^{4}$ |
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
---|---|---|---|---|---|---|
56.5376.185-56.bv.2.1 | $56$ | $2$ | $2$ | $185$ | $25$ | $1^{48}\cdot2^{34}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.185-56.bv.2.15 | $56$ | $2$ | $2$ | $185$ | $25$ | $1^{48}\cdot2^{34}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.185-56.bx.1.1 | $56$ | $2$ | $2$ | $185$ | $25$ | $1^{48}\cdot2^{34}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.185-56.bx.1.16 | $56$ | $2$ | $2$ | $185$ | $25$ | $1^{48}\cdot2^{34}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.185-56.pe.2.9 | $56$ | $2$ | $2$ | $185$ | $25$ | $1^{48}\cdot2^{34}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.185-56.pe.2.21 | $56$ | $2$ | $2$ | $185$ | $25$ | $1^{48}\cdot2^{34}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.185-56.pg.1.5 | $56$ | $2$ | $2$ | $185$ | $25$ | $1^{48}\cdot2^{34}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.185-56.pg.1.23 | $56$ | $2$ | $2$ | $185$ | $25$ | $1^{48}\cdot2^{34}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.iv.2.6 | $56$ | $2$ | $2$ | $193$ | $22$ | $1^{64}\cdot2^{24}\cdot4^{8}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.iv.2.24 | $56$ | $2$ | $2$ | $193$ | $22$ | $1^{64}\cdot2^{24}\cdot4^{8}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.iz.1.8 | $56$ | $2$ | $2$ | $193$ | $66$ | $2^{16}\cdot4^{16}\cdot6^{8}\cdot12^{4}$ |
56.5376.193-56.iz.1.17 | $56$ | $2$ | $2$ | $193$ | $66$ | $2^{16}\cdot4^{16}\cdot6^{8}\cdot12^{4}$ |
56.5376.193-56.jb.2.9 | $56$ | $2$ | $2$ | $193$ | $22$ | $1^{64}\cdot2^{24}\cdot4^{8}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.jb.2.16 | $56$ | $2$ | $2$ | $193$ | $22$ | $1^{64}\cdot2^{24}\cdot4^{8}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.nf.1.8 | $56$ | $2$ | $2$ | $193$ | $32$ | $1^{54}\cdot2^{29}\cdot4^{8}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.nf.1.10 | $56$ | $2$ | $2$ | $193$ | $32$ | $1^{54}\cdot2^{29}\cdot4^{8}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.nj.1.4 | $56$ | $2$ | $2$ | $193$ | $32$ | $1^{70}\cdot2^{17}\cdot4^{4}\cdot6^{4}\cdot12^{4}$ |
56.5376.193-56.nj.1.15 | $56$ | $2$ | $2$ | $193$ | $32$ | $1^{70}\cdot2^{17}\cdot4^{4}\cdot6^{4}\cdot12^{4}$ |
56.5376.193-56.qh.1.6 | $56$ | $2$ | $2$ | $193$ | $32$ | $1^{54}\cdot2^{29}\cdot4^{8}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.qh.1.12 | $56$ | $2$ | $2$ | $193$ | $32$ | $1^{54}\cdot2^{29}\cdot4^{8}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.ql.2.6 | $56$ | $2$ | $2$ | $193$ | $32$ | $1^{70}\cdot2^{25}\cdot4^{12}\cdot6^{4}$ |
56.5376.193-56.ql.2.12 | $56$ | $2$ | $2$ | $193$ | $32$ | $1^{70}\cdot2^{25}\cdot4^{12}\cdot6^{4}$ |
56.5376.193-56.sp.1.4 | $56$ | $2$ | $2$ | $193$ | $33$ | $1^{54}\cdot2^{27}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.sp.1.13 | $56$ | $2$ | $2$ | $193$ | $33$ | $1^{54}\cdot2^{27}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.sx.1.5 | $56$ | $2$ | $2$ | $193$ | $33$ | $1^{54}\cdot2^{27}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.sx.1.12 | $56$ | $2$ | $2$ | $193$ | $33$ | $1^{54}\cdot2^{27}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.btm.1.4 | $56$ | $2$ | $2$ | $193$ | $33$ | $1^{54}\cdot2^{27}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.btm.1.13 | $56$ | $2$ | $2$ | $193$ | $33$ | $1^{54}\cdot2^{27}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.btu.1.3 | $56$ | $2$ | $2$ | $193$ | $33$ | $1^{54}\cdot2^{27}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
56.5376.193-56.btu.1.14 | $56$ | $2$ | $2$ | $193$ | $33$ | $1^{54}\cdot2^{27}\cdot4^{9}\cdot6^{4}\cdot12^{2}$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus | Rank | Kernel decomposition |
---|---|---|---|---|---|---|
56.21504.769-56.ft.2.8 | $56$ | $2$ | $2$ | $769$ | $70$ | $2^{28}\cdot4^{28}\cdot8^{17}\cdot12^{4}\cdot16^{2}$ |
56.21504.769-56.fv.2.8 | $56$ | $2$ | $2$ | $769$ | $74$ | $2^{28}\cdot4^{28}\cdot8^{17}\cdot12^{4}\cdot16^{2}$ |
56.21504.769-56.ob.2.8 | $56$ | $2$ | $2$ | $769$ | $70$ | $2^{28}\cdot4^{28}\cdot8^{17}\cdot12^{4}\cdot16^{2}$ |
56.21504.769-56.od.2.8 | $56$ | $2$ | $2$ | $769$ | $74$ | $2^{28}\cdot4^{28}\cdot8^{17}\cdot12^{4}\cdot16^{2}$ |
56.32256.1153-56.in.2.10 | $56$ | $3$ | $3$ | $1153$ | $216$ | $1^{204}\cdot2^{110}\cdot4^{26}\cdot6^{24}\cdot12^{8}$ |