Properties

Label 56.24.1.o.1
Level $56$
Index $24$
Genus $1$
Analytic rank $1$
Cusps $4$
$\Q$-cusps $0$

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Invariants

Level: $56$ $\SL_2$-level: $8$ Newform level: $3136$
Index: $24$ $\PSL_2$-index:$24$
Genus: $1 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$
Cusps: $4$ (none of which are rational) Cusp widths $4^{2}\cdot8^{2}$ Cusp orbits $2^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
Analytic rank: $1$
$\Q$-gonality: $2$
$\overline{\Q}$-gonality: $2$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 8B1
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 56.24.1.63

Level structure

$\GL_2(\Z/56\Z)$-generators: $\begin{bmatrix}9&8\\12&15\end{bmatrix}$, $\begin{bmatrix}23&42\\22&19\end{bmatrix}$, $\begin{bmatrix}36&51\\41&16\end{bmatrix}$, $\begin{bmatrix}50&13\\29&42\end{bmatrix}$
Contains $-I$: yes
Quadratic refinements: none in database
Cyclic 56-isogeny field degree: $32$
Cyclic 56-torsion field degree: $768$
Full 56-torsion field degree: $129024$

Jacobian

Conductor: $2^{6}\cdot7^{2}$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 3136.2.a.m

Models

Weierstrass model Weierstrass model

$ y^{2} $ $=$ $ x^{3} + 49x $
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Rational points

This modular curve has infinitely many rational points, including 1 stored non-cuspidal point.

Maps to other modular curves

$j$-invariant map of degree 24 from the Weierstrass model of this modular curve to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle -\frac{2^6}{7^4}\cdot\frac{632745313200x^{2}y^{14}+172462181984064x^{2}y^{13}z-3969576736755642x^{2}y^{12}z^{2}-530784602100006912x^{2}y^{11}z^{3}+20149798431645870624x^{2}y^{10}z^{4}+154388733303546457632x^{2}y^{9}z^{5}-23232071252673648782193x^{2}y^{8}z^{6}+276838713422357823571968x^{2}y^{7}z^{7}+4086941002054009916454288x^{2}y^{6}z^{8}-103970982456774842504340672x^{2}y^{5}z^{9}+1609813481002226284562552075x^{2}y^{4}z^{10}-2267258360432973407689265664x^{2}y^{3}z^{11}-180636593507196269376211321680x^{2}y^{2}z^{12}+1456357360200482410339328906400x^{2}yz^{13}-3254665337392327171898998447125x^{2}z^{14}+45541980000xy^{15}+36958123540772xy^{14}z+685723085873664xy^{13}z^{2}-188137160368426080xy^{12}z^{3}+2811976110208472256xy^{11}z^{4}+222144130351333763685xy^{10}z^{5}-7991747764289570760192xy^{9}z^{6}+1914864313389920784864xy^{8}z^{7}+2909918649557823288656544xy^{7}z^{8}-88572057748174707264801712xy^{6}z^{9}+144379661814555098566430208xy^{5}z^{10}+14850984273243469532553743280xy^{4}z^{11}-134154990995500279702288591200xy^{3}z^{12}+332915190774221102727992326875xy^{2}z^{13}+1684546875y^{16}+5756009796096y^{15}z+562795829076096y^{14}z^{2}-35630658141462720y^{13}z^{3}-813918043966585908y^{12}z^{4}+75825332429285698560y^{11}z^{5}-619993159969543497648y^{10}z^{6}-28917878074657097672160y^{9}z^{7}+1201417258644319998735636y^{8}z^{8}-2673949492034390248573440y^{7}z^{9}-217482738332783378647114944y^{6}z^{10}+2003731841624202990607364064y^{5}z^{11}-4188469954387999552968522778y^{4}z^{12}-9373164621668477280157807104y^{3}z^{13}+50488182529420309984823713200y^{2}z^{14}-178060991998145470067797020000yz^{15}+322727564630785089109159546875z^{16}}{659016x^{2}y^{14}+4015992302x^{2}y^{12}z^{2}+28566266294448x^{2}y^{10}z^{4}+37160271557734787x^{2}y^{8}z^{6}-18117389721431437416x^{2}y^{6}z^{8}-17798586158388501810225x^{2}y^{4}z^{10}+452834416098315937408968x^{2}y^{2}z^{12}+287095206070427670350748495x^{2}z^{14}-24324300xy^{14}z-147408983568xy^{12}z^{3}-203473350111679xy^{10}z^{5}+354641572173300048xy^{8}z^{7}+390996083417563815408xy^{6}z^{9}-36856569618674714027448xy^{4}z^{11}-29298570293215038156352641xy^{2}z^{13}-6561y^{16}+317693376y^{14}z^{2}+314530094620y^{12}z^{4}-3072034038684744y^{10}z^{6}-3628427171092500028y^{8}z^{8}+570651512210586634464y^{6}z^{10}+477462985667142095725902y^{4}z^{12}+52584380166387070451016y^{2}z^{14}-1256964459087896244884961z^{16}}$

Modular covers

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Cover information

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

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank Kernel decomposition
8.12.0.l.1 $8$ $2$ $2$ $0$ $0$ full Jacobian
56.12.0.bw.1 $56$ $2$ $2$ $0$ $0$ full Jacobian
56.12.1.c.1 $56$ $2$ $2$ $1$ $1$ dimension zero

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

Covering curve Level Index Degree Genus Rank Kernel decomposition
56.48.1.cz.1 $56$ $2$ $2$ $1$ $1$ dimension zero
56.48.1.da.1 $56$ $2$ $2$ $1$ $1$ dimension zero
56.48.1.dq.1 $56$ $2$ $2$ $1$ $1$ dimension zero
56.48.1.dr.1 $56$ $2$ $2$ $1$ $1$ dimension zero
56.48.1.eg.1 $56$ $2$ $2$ $1$ $1$ dimension zero
56.48.1.eh.1 $56$ $2$ $2$ $1$ $1$ dimension zero
56.48.1.eq.1 $56$ $2$ $2$ $1$ $1$ dimension zero
56.48.1.er.1 $56$ $2$ $2$ $1$ $1$ dimension zero
56.192.13.bj.1 $56$ $8$ $8$ $13$ $7$ $1^{8}\cdot2^{2}$
56.504.37.cf.1 $56$ $21$ $21$ $37$ $18$ $1^{4}\cdot2^{14}\cdot4$
56.672.49.cf.1 $56$ $28$ $28$ $49$ $24$ $1^{12}\cdot2^{16}\cdot4$
168.48.1.jo.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.jp.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.ls.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.lt.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.my.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.mz.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.oi.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.oj.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.72.5.ce.1 $168$ $3$ $3$ $5$ $?$ not computed
168.96.5.bx.1 $168$ $4$ $4$ $5$ $?$ not computed
280.48.1.jc.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.jd.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.ku.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.kv.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.ma.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.mb.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.nk.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.nl.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.120.9.bc.1 $280$ $5$ $5$ $9$ $?$ not computed
280.144.9.by.1 $280$ $6$ $6$ $9$ $?$ not computed
280.240.17.ts.1 $280$ $10$ $10$ $17$ $?$ not computed