Properties

Label 8.24.1.be.1
Level $8$
Index $24$
Genus $1$
Analytic rank $0$
Cusps $4$
$\Q$-cusps $0$

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Invariants

Level: $8$ $\SL_2$-level: $8$ Newform level: $32$
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: $0$
$\Q$-gonality: $2$
$\overline{\Q}$-gonality: $2$
Rational cusps: $0$
Rational CM points: yes $\quad(D =$ $-4$)

Other labels

Cummins and Pauli (CP) label: 8C1
Rouse and Zureick-Brown (RZB) label: X143
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 8.24.1.26

Level structure

$\GL_2(\Z/8\Z)$-generators: $\begin{bmatrix}1&3\\4&7\end{bmatrix}$, $\begin{bmatrix}1&5\\0&7\end{bmatrix}$, $\begin{bmatrix}7&4\\6&1\end{bmatrix}$
$\GL_2(\Z/8\Z)$-subgroup: $C_2^3.C_2^3$
Contains $-I$: yes
Quadratic refinements: none in database
Cyclic 8-isogeny field degree: $4$
Cyclic 8-torsion field degree: $16$
Full 8-torsion field degree: $64$

Jacobian

Conductor: $2^{5}$
Simple: yes
Squarefree: yes
Decomposition: $1$
Newforms: 32.2.a.a

Models

Weierstrass model Weierstrass model

$ y^{2} $ $=$ $ x^{3} - 11x + 14 $
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Rational points

This modular curve has 1 rational CM point but no rational cusps or other known rational points. The following are the known rational points on this modular curve (one row per $j$-invariant).

Elliptic curve CM $j$-invariant $j$-heightWeierstrass model
32.a3 $-4$$1728$ $= 2^{6} \cdot 3^{3}$$7.455$$(1:-2:1)$, $(1:2:1)$, $(2:0:1)$, $(0:1:0)$

Maps to other modular curves

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

$\displaystyle j$ $=$ $\displaystyle 2^6\,\frac{1404x^{2}y^{6}-3761589x^{2}y^{4}z^{2}+641729592x^{2}y^{2}z^{4}-19948109851x^{2}z^{6}-31626xy^{6}z+27474288xy^{4}z^{3}-3061839787xy^{2}z^{5}+76369887178xz^{7}-27y^{8}+410896y^{6}z^{2}-132195520y^{4}z^{4}+6979314188y^{2}z^{6}-72947334979z^{8}}{4x^{2}y^{6}+17x^{2}y^{4}z^{2}-8x^{2}y^{2}z^{4}-x^{2}z^{6}+2xy^{6}z+32xy^{4}z^{3}-17xy^{2}z^{5}-2xz^{7}-y^{8}-48y^{6}z^{2}-128y^{4}z^{4}+52y^{2}z^{6}+7z^{8}}$

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.s.1 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.12.0.v.1 $8$ $2$ $2$ $0$ $0$ full Jacobian
8.12.1.d.1 $8$ $2$ $2$ $1$ $0$ 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
8.48.1.c.1 $8$ $2$ $2$ $1$ $0$ dimension zero
8.48.1.x.1 $8$ $2$ $2$ $1$ $0$ dimension zero
8.48.1.bn.1 $8$ $2$ $2$ $1$ $0$ dimension zero
8.48.1.br.1 $8$ $2$ $2$ $1$ $0$ dimension zero
16.48.2.u.1 $16$ $2$ $2$ $2$ $0$ $1$
16.48.2.w.1 $16$ $2$ $2$ $2$ $0$ $1$
16.48.2.bk.1 $16$ $2$ $2$ $2$ $1$ $1$
16.48.2.bl.1 $16$ $2$ $2$ $2$ $0$ $1$
16.48.2.bm.1 $16$ $2$ $2$ $2$ $1$ $1$
16.48.2.bn.1 $16$ $2$ $2$ $2$ $0$ $1$
16.48.2.bs.1 $16$ $2$ $2$ $2$ $1$ $1$
16.48.2.bu.1 $16$ $2$ $2$ $2$ $1$ $1$
16.48.3.cf.1 $16$ $2$ $2$ $3$ $0$ $1^{2}$
16.48.3.cg.1 $16$ $2$ $2$ $3$ $1$ $1^{2}$
24.48.1.hi.1 $24$ $2$ $2$ $1$ $0$ dimension zero
24.48.1.hm.1 $24$ $2$ $2$ $1$ $0$ dimension zero
24.48.1.hy.1 $24$ $2$ $2$ $1$ $0$ dimension zero
24.48.1.ic.1 $24$ $2$ $2$ $1$ $0$ dimension zero
24.72.5.gs.1 $24$ $3$ $3$ $5$ $3$ $1^{4}$
24.96.5.di.1 $24$ $4$ $4$ $5$ $0$ $1^{4}$
40.48.1.gm.1 $40$ $2$ $2$ $1$ $0$ dimension zero
40.48.1.gq.1 $40$ $2$ $2$ $1$ $0$ dimension zero
40.48.1.hc.1 $40$ $2$ $2$ $1$ $0$ dimension zero
40.48.1.hg.1 $40$ $2$ $2$ $1$ $0$ dimension zero
40.120.9.da.1 $40$ $5$ $5$ $9$ $5$ $1^{6}\cdot2$
40.144.9.fe.1 $40$ $6$ $6$ $9$ $2$ $1^{6}\cdot2$
40.240.17.ps.1 $40$ $10$ $10$ $17$ $11$ $1^{12}\cdot2^{2}$
48.48.2.bc.1 $48$ $2$ $2$ $2$ $1$ $1$
48.48.2.be.1 $48$ $2$ $2$ $2$ $1$ $1$
48.48.2.bk.1 $48$ $2$ $2$ $2$ $0$ $1$
48.48.2.bl.1 $48$ $2$ $2$ $2$ $1$ $1$
48.48.2.bm.1 $48$ $2$ $2$ $2$ $0$ $1$
48.48.2.bn.1 $48$ $2$ $2$ $2$ $1$ $1$
48.48.2.bs.1 $48$ $2$ $2$ $2$ $0$ $1$
48.48.2.bu.1 $48$ $2$ $2$ $2$ $0$ $1$
48.48.3.dd.1 $48$ $2$ $2$ $3$ $0$ $1^{2}$
48.48.3.de.1 $48$ $2$ $2$ $3$ $1$ $1^{2}$
56.48.1.gk.1 $56$ $2$ $2$ $1$ $0$ dimension zero
56.48.1.go.1 $56$ $2$ $2$ $1$ $0$ dimension zero
56.48.1.ha.1 $56$ $2$ $2$ $1$ $0$ dimension zero
56.48.1.he.1 $56$ $2$ $2$ $1$ $0$ dimension zero
56.192.13.di.1 $56$ $8$ $8$ $13$ $4$ $1^{12}$
56.504.37.gs.1 $56$ $21$ $21$ $37$ $26$ $1^{8}\cdot2^{12}\cdot4$
56.672.49.gs.1 $56$ $28$ $28$ $49$ $30$ $1^{20}\cdot2^{12}\cdot4$
80.48.2.bi.1 $80$ $2$ $2$ $2$ $?$ not computed
80.48.2.bk.1 $80$ $2$ $2$ $2$ $?$ not computed
80.48.2.bq.1 $80$ $2$ $2$ $2$ $?$ not computed
80.48.2.br.1 $80$ $2$ $2$ $2$ $?$ not computed
80.48.2.bs.1 $80$ $2$ $2$ $2$ $?$ not computed
80.48.2.bt.1 $80$ $2$ $2$ $2$ $?$ not computed
80.48.2.by.1 $80$ $2$ $2$ $2$ $?$ not computed
80.48.2.ca.1 $80$ $2$ $2$ $2$ $?$ not computed
80.48.3.dp.1 $80$ $2$ $2$ $3$ $?$ not computed
80.48.3.dq.1 $80$ $2$ $2$ $3$ $?$ not computed
88.48.1.gk.1 $88$ $2$ $2$ $1$ $?$ dimension zero
88.48.1.go.1 $88$ $2$ $2$ $1$ $?$ dimension zero
88.48.1.ha.1 $88$ $2$ $2$ $1$ $?$ dimension zero
88.48.1.he.1 $88$ $2$ $2$ $1$ $?$ dimension zero
88.288.21.di.1 $88$ $12$ $12$ $21$ $?$ not computed
104.48.1.gm.1 $104$ $2$ $2$ $1$ $?$ dimension zero
104.48.1.gq.1 $104$ $2$ $2$ $1$ $?$ dimension zero
104.48.1.hc.1 $104$ $2$ $2$ $1$ $?$ dimension zero
104.48.1.hg.1 $104$ $2$ $2$ $1$ $?$ dimension zero
112.48.2.bc.1 $112$ $2$ $2$ $2$ $?$ not computed
112.48.2.be.1 $112$ $2$ $2$ $2$ $?$ not computed
112.48.2.bk.1 $112$ $2$ $2$ $2$ $?$ not computed
112.48.2.bl.1 $112$ $2$ $2$ $2$ $?$ not computed
112.48.2.bm.1 $112$ $2$ $2$ $2$ $?$ not computed
112.48.2.bn.1 $112$ $2$ $2$ $2$ $?$ not computed
112.48.2.bs.1 $112$ $2$ $2$ $2$ $?$ not computed
112.48.2.bu.1 $112$ $2$ $2$ $2$ $?$ not computed
112.48.3.dd.1 $112$ $2$ $2$ $3$ $?$ not computed
112.48.3.de.1 $112$ $2$ $2$ $3$ $?$ not computed
120.48.1.xk.1 $120$ $2$ $2$ $1$ $?$ dimension zero
120.48.1.xo.1 $120$ $2$ $2$ $1$ $?$ dimension zero
120.48.1.yq.1 $120$ $2$ $2$ $1$ $?$ dimension zero
120.48.1.yu.1 $120$ $2$ $2$ $1$ $?$ dimension zero
136.48.1.gm.1 $136$ $2$ $2$ $1$ $?$ dimension zero
136.48.1.gq.1 $136$ $2$ $2$ $1$ $?$ dimension zero
136.48.1.hc.1 $136$ $2$ $2$ $1$ $?$ dimension zero
136.48.1.hg.1 $136$ $2$ $2$ $1$ $?$ dimension zero
152.48.1.gk.1 $152$ $2$ $2$ $1$ $?$ dimension zero
152.48.1.go.1 $152$ $2$ $2$ $1$ $?$ dimension zero
152.48.1.ha.1 $152$ $2$ $2$ $1$ $?$ dimension zero
152.48.1.he.1 $152$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.xi.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.xm.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.yo.1 $168$ $2$ $2$ $1$ $?$ dimension zero
168.48.1.ys.1 $168$ $2$ $2$ $1$ $?$ dimension zero
176.48.2.bc.1 $176$ $2$ $2$ $2$ $?$ not computed
176.48.2.be.1 $176$ $2$ $2$ $2$ $?$ not computed
176.48.2.bk.1 $176$ $2$ $2$ $2$ $?$ not computed
176.48.2.bl.1 $176$ $2$ $2$ $2$ $?$ not computed
176.48.2.bm.1 $176$ $2$ $2$ $2$ $?$ not computed
176.48.2.bn.1 $176$ $2$ $2$ $2$ $?$ not computed
176.48.2.bs.1 $176$ $2$ $2$ $2$ $?$ not computed
176.48.2.bu.1 $176$ $2$ $2$ $2$ $?$ not computed
176.48.3.dd.1 $176$ $2$ $2$ $3$ $?$ not computed
176.48.3.de.1 $176$ $2$ $2$ $3$ $?$ not computed
184.48.1.gk.1 $184$ $2$ $2$ $1$ $?$ dimension zero
184.48.1.go.1 $184$ $2$ $2$ $1$ $?$ dimension zero
184.48.1.ha.1 $184$ $2$ $2$ $1$ $?$ dimension zero
184.48.1.he.1 $184$ $2$ $2$ $1$ $?$ dimension zero
208.48.2.bi.1 $208$ $2$ $2$ $2$ $?$ not computed
208.48.2.bk.1 $208$ $2$ $2$ $2$ $?$ not computed
208.48.2.bq.1 $208$ $2$ $2$ $2$ $?$ not computed
208.48.2.br.1 $208$ $2$ $2$ $2$ $?$ not computed
208.48.2.bs.1 $208$ $2$ $2$ $2$ $?$ not computed
208.48.2.bt.1 $208$ $2$ $2$ $2$ $?$ not computed
208.48.2.by.1 $208$ $2$ $2$ $2$ $?$ not computed
208.48.2.ca.1 $208$ $2$ $2$ $2$ $?$ not computed
208.48.3.dp.1 $208$ $2$ $2$ $3$ $?$ not computed
208.48.3.dq.1 $208$ $2$ $2$ $3$ $?$ not computed
232.48.1.gm.1 $232$ $2$ $2$ $1$ $?$ dimension zero
232.48.1.gq.1 $232$ $2$ $2$ $1$ $?$ dimension zero
232.48.1.hc.1 $232$ $2$ $2$ $1$ $?$ dimension zero
232.48.1.hg.1 $232$ $2$ $2$ $1$ $?$ dimension zero
240.48.2.bi.1 $240$ $2$ $2$ $2$ $?$ not computed
240.48.2.bk.1 $240$ $2$ $2$ $2$ $?$ not computed
240.48.2.bq.1 $240$ $2$ $2$ $2$ $?$ not computed
240.48.2.br.1 $240$ $2$ $2$ $2$ $?$ not computed
240.48.2.bs.1 $240$ $2$ $2$ $2$ $?$ not computed
240.48.2.bt.1 $240$ $2$ $2$ $2$ $?$ not computed
240.48.2.by.1 $240$ $2$ $2$ $2$ $?$ not computed
240.48.2.ca.1 $240$ $2$ $2$ $2$ $?$ not computed
240.48.3.fl.1 $240$ $2$ $2$ $3$ $?$ not computed
240.48.3.fm.1 $240$ $2$ $2$ $3$ $?$ not computed
248.48.1.gk.1 $248$ $2$ $2$ $1$ $?$ dimension zero
248.48.1.go.1 $248$ $2$ $2$ $1$ $?$ dimension zero
248.48.1.ha.1 $248$ $2$ $2$ $1$ $?$ dimension zero
248.48.1.he.1 $248$ $2$ $2$ $1$ $?$ dimension zero
264.48.1.xi.1 $264$ $2$ $2$ $1$ $?$ dimension zero
264.48.1.xm.1 $264$ $2$ $2$ $1$ $?$ dimension zero
264.48.1.yo.1 $264$ $2$ $2$ $1$ $?$ dimension zero
264.48.1.ys.1 $264$ $2$ $2$ $1$ $?$ dimension zero
272.48.2.bi.1 $272$ $2$ $2$ $2$ $?$ not computed
272.48.2.bk.1 $272$ $2$ $2$ $2$ $?$ not computed
272.48.2.bq.1 $272$ $2$ $2$ $2$ $?$ not computed
272.48.2.br.1 $272$ $2$ $2$ $2$ $?$ not computed
272.48.2.bs.1 $272$ $2$ $2$ $2$ $?$ not computed
272.48.2.bt.1 $272$ $2$ $2$ $2$ $?$ not computed
272.48.2.by.1 $272$ $2$ $2$ $2$ $?$ not computed
272.48.2.ca.1 $272$ $2$ $2$ $2$ $?$ not computed
272.48.3.dp.1 $272$ $2$ $2$ $3$ $?$ not computed
272.48.3.dq.1 $272$ $2$ $2$ $3$ $?$ not computed
280.48.1.wm.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.wq.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.xs.1 $280$ $2$ $2$ $1$ $?$ dimension zero
280.48.1.xw.1 $280$ $2$ $2$ $1$ $?$ dimension zero
296.48.1.gm.1 $296$ $2$ $2$ $1$ $?$ dimension zero
296.48.1.gq.1 $296$ $2$ $2$ $1$ $?$ dimension zero
296.48.1.hc.1 $296$ $2$ $2$ $1$ $?$ dimension zero
296.48.1.hg.1 $296$ $2$ $2$ $1$ $?$ dimension zero
304.48.2.bc.1 $304$ $2$ $2$ $2$ $?$ not computed
304.48.2.be.1 $304$ $2$ $2$ $2$ $?$ not computed
304.48.2.bk.1 $304$ $2$ $2$ $2$ $?$ not computed
304.48.2.bl.1 $304$ $2$ $2$ $2$ $?$ not computed
304.48.2.bm.1 $304$ $2$ $2$ $2$ $?$ not computed
304.48.2.bn.1 $304$ $2$ $2$ $2$ $?$ not computed
304.48.2.bs.1 $304$ $2$ $2$ $2$ $?$ not computed
304.48.2.bu.1 $304$ $2$ $2$ $2$ $?$ not computed
304.48.3.dd.1 $304$ $2$ $2$ $3$ $?$ not computed
304.48.3.de.1 $304$ $2$ $2$ $3$ $?$ not computed
312.48.1.xk.1 $312$ $2$ $2$ $1$ $?$ dimension zero
312.48.1.xo.1 $312$ $2$ $2$ $1$ $?$ dimension zero
312.48.1.yq.1 $312$ $2$ $2$ $1$ $?$ dimension zero
312.48.1.yu.1 $312$ $2$ $2$ $1$ $?$ dimension zero
328.48.1.gm.1 $328$ $2$ $2$ $1$ $?$ dimension zero
328.48.1.gq.1 $328$ $2$ $2$ $1$ $?$ dimension zero
328.48.1.hc.1 $328$ $2$ $2$ $1$ $?$ dimension zero
328.48.1.hg.1 $328$ $2$ $2$ $1$ $?$ dimension zero