Properties

Label 8.24.0.ba.2
Level $8$
Index $24$
Genus $0$
Analytic rank $0$
Cusps $6$
$\Q$-cusps $2$

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Invariants

Level: $8$ $\SL_2$-level: $8$
Index: $24$ $\PSL_2$-index:$24$
Genus: $0 = 1 + \frac{ 24 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 6 }{2}$
Cusps: $6$ (of which $2$ are rational) Cusp widths $1^{2}\cdot2\cdot4\cdot8^{2}$ Cusp orbits $1^{2}\cdot2^{2}$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
$\Q$-gonality: $1$
$\overline{\Q}$-gonality: $1$
Rational cusps: $2$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 8I0
Sutherland and Zywina (SZ) label: 8I0-8b
Rouse and Zureick-Brown (RZB) label: X86
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 8.24.0.91

Level structure

$\GL_2(\Z/8\Z)$-generators: $\begin{bmatrix}3&0\\0&5\end{bmatrix}$, $\begin{bmatrix}5&3\\0&5\end{bmatrix}$, $\begin{bmatrix}7&2\\0&5\end{bmatrix}$, $\begin{bmatrix}7&7\\0&3\end{bmatrix}$
$\GL_2(\Z/8\Z)$-subgroup: $C_8:C_2^3$
Contains $-I$: yes
Quadratic refinements: 8.48.0-8.ba.2.1, 8.48.0-8.ba.2.2, 8.48.0-8.ba.2.3, 8.48.0-8.ba.2.4, 8.48.0-8.ba.2.5, 8.48.0-8.ba.2.6, 8.48.0-8.ba.2.7, 8.48.0-8.ba.2.8, 16.48.0-8.ba.2.1, 16.48.0-8.ba.2.2, 16.48.0-8.ba.2.3, 16.48.0-8.ba.2.4, 16.48.0-8.ba.2.5, 16.48.0-8.ba.2.6, 16.48.0-8.ba.2.7, 16.48.0-8.ba.2.8, 24.48.0-8.ba.2.1, 24.48.0-8.ba.2.2, 24.48.0-8.ba.2.3, 24.48.0-8.ba.2.4, 24.48.0-8.ba.2.5, 24.48.0-8.ba.2.6, 24.48.0-8.ba.2.7, 24.48.0-8.ba.2.8, 40.48.0-8.ba.2.1, 40.48.0-8.ba.2.2, 40.48.0-8.ba.2.3, 40.48.0-8.ba.2.4, 40.48.0-8.ba.2.5, 40.48.0-8.ba.2.6, 40.48.0-8.ba.2.7, 40.48.0-8.ba.2.8, 48.48.0-8.ba.2.1, 48.48.0-8.ba.2.2, 48.48.0-8.ba.2.3, 48.48.0-8.ba.2.4, 48.48.0-8.ba.2.5, 48.48.0-8.ba.2.6, 48.48.0-8.ba.2.7, 48.48.0-8.ba.2.8, 56.48.0-8.ba.2.1, 56.48.0-8.ba.2.2, 56.48.0-8.ba.2.3, 56.48.0-8.ba.2.4, 56.48.0-8.ba.2.5, 56.48.0-8.ba.2.6, 56.48.0-8.ba.2.7, 56.48.0-8.ba.2.8, 80.48.0-8.ba.2.1, 80.48.0-8.ba.2.2, 80.48.0-8.ba.2.3, 80.48.0-8.ba.2.4, 80.48.0-8.ba.2.5, 80.48.0-8.ba.2.6, 80.48.0-8.ba.2.7, 80.48.0-8.ba.2.8, 88.48.0-8.ba.2.1, 88.48.0-8.ba.2.2, 88.48.0-8.ba.2.3, 88.48.0-8.ba.2.4, 88.48.0-8.ba.2.5, 88.48.0-8.ba.2.6, 88.48.0-8.ba.2.7, 88.48.0-8.ba.2.8, 104.48.0-8.ba.2.1, 104.48.0-8.ba.2.2, 104.48.0-8.ba.2.3, 104.48.0-8.ba.2.4, 104.48.0-8.ba.2.5, 104.48.0-8.ba.2.6, 104.48.0-8.ba.2.7, 104.48.0-8.ba.2.8, 112.48.0-8.ba.2.1, 112.48.0-8.ba.2.2, 112.48.0-8.ba.2.3, 112.48.0-8.ba.2.4, 112.48.0-8.ba.2.5, 112.48.0-8.ba.2.6, 112.48.0-8.ba.2.7, 112.48.0-8.ba.2.8, 120.48.0-8.ba.2.1, 120.48.0-8.ba.2.2, 120.48.0-8.ba.2.3, 120.48.0-8.ba.2.4, 120.48.0-8.ba.2.5, 120.48.0-8.ba.2.6, 120.48.0-8.ba.2.7, 120.48.0-8.ba.2.8, 136.48.0-8.ba.2.1, 136.48.0-8.ba.2.2, 136.48.0-8.ba.2.3, 136.48.0-8.ba.2.4, 136.48.0-8.ba.2.5, 136.48.0-8.ba.2.6, 136.48.0-8.ba.2.7, 136.48.0-8.ba.2.8, 152.48.0-8.ba.2.1, 152.48.0-8.ba.2.2, 152.48.0-8.ba.2.3, 152.48.0-8.ba.2.4, 152.48.0-8.ba.2.5, 152.48.0-8.ba.2.6, 152.48.0-8.ba.2.7, 152.48.0-8.ba.2.8, 168.48.0-8.ba.2.1, 168.48.0-8.ba.2.2, 168.48.0-8.ba.2.3, 168.48.0-8.ba.2.4, 168.48.0-8.ba.2.5, 168.48.0-8.ba.2.6, 168.48.0-8.ba.2.7, 168.48.0-8.ba.2.8, 176.48.0-8.ba.2.1, 176.48.0-8.ba.2.2, 176.48.0-8.ba.2.3, 176.48.0-8.ba.2.4, 176.48.0-8.ba.2.5, 176.48.0-8.ba.2.6, 176.48.0-8.ba.2.7, 176.48.0-8.ba.2.8, 184.48.0-8.ba.2.1, 184.48.0-8.ba.2.2, 184.48.0-8.ba.2.3, 184.48.0-8.ba.2.4, 184.48.0-8.ba.2.5, 184.48.0-8.ba.2.6, 184.48.0-8.ba.2.7, 184.48.0-8.ba.2.8, 208.48.0-8.ba.2.1, 208.48.0-8.ba.2.2, 208.48.0-8.ba.2.3, 208.48.0-8.ba.2.4, 208.48.0-8.ba.2.5, 208.48.0-8.ba.2.6, 208.48.0-8.ba.2.7, 208.48.0-8.ba.2.8, 232.48.0-8.ba.2.1, 232.48.0-8.ba.2.2, 232.48.0-8.ba.2.3, 232.48.0-8.ba.2.4, 232.48.0-8.ba.2.5, 232.48.0-8.ba.2.6, 232.48.0-8.ba.2.7, 232.48.0-8.ba.2.8, 240.48.0-8.ba.2.1, 240.48.0-8.ba.2.2, 240.48.0-8.ba.2.3, 240.48.0-8.ba.2.4, 240.48.0-8.ba.2.5, 240.48.0-8.ba.2.6, 240.48.0-8.ba.2.7, 240.48.0-8.ba.2.8, 248.48.0-8.ba.2.1, 248.48.0-8.ba.2.2, 248.48.0-8.ba.2.3, 248.48.0-8.ba.2.4, 248.48.0-8.ba.2.5, 248.48.0-8.ba.2.6, 248.48.0-8.ba.2.7, 248.48.0-8.ba.2.8, 264.48.0-8.ba.2.1, 264.48.0-8.ba.2.2, 264.48.0-8.ba.2.3, 264.48.0-8.ba.2.4, 264.48.0-8.ba.2.5, 264.48.0-8.ba.2.6, 264.48.0-8.ba.2.7, 264.48.0-8.ba.2.8, 272.48.0-8.ba.2.1, 272.48.0-8.ba.2.2, 272.48.0-8.ba.2.3, 272.48.0-8.ba.2.4, 272.48.0-8.ba.2.5, 272.48.0-8.ba.2.6, 272.48.0-8.ba.2.7, 272.48.0-8.ba.2.8, 280.48.0-8.ba.2.1, 280.48.0-8.ba.2.2, 280.48.0-8.ba.2.3, 280.48.0-8.ba.2.4, 280.48.0-8.ba.2.5, 280.48.0-8.ba.2.6, 280.48.0-8.ba.2.7, 280.48.0-8.ba.2.8, 296.48.0-8.ba.2.1, 296.48.0-8.ba.2.2, 296.48.0-8.ba.2.3, 296.48.0-8.ba.2.4, 296.48.0-8.ba.2.5, 296.48.0-8.ba.2.6, 296.48.0-8.ba.2.7, 296.48.0-8.ba.2.8, 304.48.0-8.ba.2.1, 304.48.0-8.ba.2.2, 304.48.0-8.ba.2.3, 304.48.0-8.ba.2.4, 304.48.0-8.ba.2.5, 304.48.0-8.ba.2.6, 304.48.0-8.ba.2.7, 304.48.0-8.ba.2.8, 312.48.0-8.ba.2.1, 312.48.0-8.ba.2.2, 312.48.0-8.ba.2.3, 312.48.0-8.ba.2.4, 312.48.0-8.ba.2.5, 312.48.0-8.ba.2.6, 312.48.0-8.ba.2.7, 312.48.0-8.ba.2.8, 328.48.0-8.ba.2.1, 328.48.0-8.ba.2.2, 328.48.0-8.ba.2.3, 328.48.0-8.ba.2.4, 328.48.0-8.ba.2.5, 328.48.0-8.ba.2.6, 328.48.0-8.ba.2.7, 328.48.0-8.ba.2.8
Cyclic 8-isogeny field degree: $1$
Cyclic 8-torsion field degree: $4$
Full 8-torsion field degree: $64$

Models

This modular curve is isomorphic to $\mathbb{P}^1$.

Rational points

This modular curve has infinitely many rational points, including 131 stored non-cuspidal points.

Maps to other modular curves

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

$\displaystyle j$ $=$ $\displaystyle \frac{2}{3^4}\cdot\frac{(6x-y)^{24}(78941952x^{8}-342641664x^{7}y+528705792x^{6}y^{2}-425440512x^{5}y^{3}+202292640x^{4}y^{4}-58888512x^{3}y^{5}+10248336x^{2}y^{6}-966192xy^{7}+37199y^{8})^{3}}{(2x-y)^{4}(6x-y)^{26}(36x^{2}-24xy+5y^{2})(108x^{2}-60xy+11y^{2})^{8}}$

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
$X_0(8)$ $8$ $2$ $2$ $0$ $0$

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

Covering curve Level Index Degree Genus
8.48.0.j.2 $8$ $2$ $2$ $0$
8.48.0.m.1 $8$ $2$ $2$ $0$
8.48.0.n.1 $8$ $2$ $2$ $0$
8.48.0.o.1 $8$ $2$ $2$ $0$
16.48.0.u.2 $16$ $2$ $2$ $0$
16.48.0.w.2 $16$ $2$ $2$ $0$
16.48.0.y.2 $16$ $2$ $2$ $0$
16.48.0.ba.2 $16$ $2$ $2$ $0$
16.48.1.q.2 $16$ $2$ $2$ $1$
16.48.1.s.2 $16$ $2$ $2$ $1$
16.48.1.u.2 $16$ $2$ $2$ $1$
16.48.1.w.2 $16$ $2$ $2$ $1$
24.48.0.bi.1 $24$ $2$ $2$ $0$
24.48.0.bk.2 $24$ $2$ $2$ $0$
24.48.0.bm.2 $24$ $2$ $2$ $0$
24.48.0.bo.2 $24$ $2$ $2$ $0$
24.72.4.ge.2 $24$ $3$ $3$ $4$
24.96.3.gf.1 $24$ $4$ $4$ $3$
40.48.0.bi.2 $40$ $2$ $2$ $0$
40.48.0.bk.2 $40$ $2$ $2$ $0$
40.48.0.bm.2 $40$ $2$ $2$ $0$
40.48.0.bo.1 $40$ $2$ $2$ $0$
40.120.8.da.1 $40$ $5$ $5$ $8$
40.144.7.fn.1 $40$ $6$ $6$ $7$
40.240.15.gq.1 $40$ $10$ $10$ $15$
48.48.0.be.2 $48$ $2$ $2$ $0$
48.48.0.bg.2 $48$ $2$ $2$ $0$
48.48.0.bm.1 $48$ $2$ $2$ $0$
48.48.0.bo.2 $48$ $2$ $2$ $0$
48.48.1.bq.2 $48$ $2$ $2$ $1$
48.48.1.bs.1 $48$ $2$ $2$ $1$
48.48.1.by.2 $48$ $2$ $2$ $1$
48.48.1.ca.2 $48$ $2$ $2$ $1$
56.48.0.bg.2 $56$ $2$ $2$ $0$
56.48.0.bi.2 $56$ $2$ $2$ $0$
56.48.0.bk.2 $56$ $2$ $2$ $0$
56.48.0.bm.2 $56$ $2$ $2$ $0$
56.192.11.fb.1 $56$ $8$ $8$ $11$
56.504.34.ge.2 $56$ $21$ $21$ $34$
56.672.45.gq.1 $56$ $28$ $28$ $45$
80.48.0.bm.2 $80$ $2$ $2$ $0$
80.48.0.bo.1 $80$ $2$ $2$ $0$
80.48.0.bu.1 $80$ $2$ $2$ $0$
80.48.0.bw.1 $80$ $2$ $2$ $0$
80.48.1.bs.1 $80$ $2$ $2$ $1$
80.48.1.bu.1 $80$ $2$ $2$ $1$
80.48.1.ca.1 $80$ $2$ $2$ $1$
80.48.1.cc.2 $80$ $2$ $2$ $1$
88.48.0.bg.2 $88$ $2$ $2$ $0$
88.48.0.bi.2 $88$ $2$ $2$ $0$
88.48.0.bk.2 $88$ $2$ $2$ $0$
88.48.0.bm.2 $88$ $2$ $2$ $0$
88.288.19.fr.1 $88$ $12$ $12$ $19$
104.48.0.bi.2 $104$ $2$ $2$ $0$
104.48.0.bk.2 $104$ $2$ $2$ $0$
104.48.0.bm.2 $104$ $2$ $2$ $0$
104.48.0.bo.1 $104$ $2$ $2$ $0$
104.336.23.fn.1 $104$ $14$ $14$ $23$
112.48.0.be.2 $112$ $2$ $2$ $0$
112.48.0.bg.1 $112$ $2$ $2$ $0$
112.48.0.bm.1 $112$ $2$ $2$ $0$
112.48.0.bo.1 $112$ $2$ $2$ $0$
112.48.1.bq.1 $112$ $2$ $2$ $1$
112.48.1.bs.1 $112$ $2$ $2$ $1$
112.48.1.by.1 $112$ $2$ $2$ $1$
112.48.1.ca.2 $112$ $2$ $2$ $1$
120.48.0.ed.2 $120$ $2$ $2$ $0$
120.48.0.eh.2 $120$ $2$ $2$ $0$
120.48.0.el.2 $120$ $2$ $2$ $0$
120.48.0.ep.2 $120$ $2$ $2$ $0$
136.48.0.bi.2 $136$ $2$ $2$ $0$
136.48.0.bk.2 $136$ $2$ $2$ $0$
136.48.0.bm.2 $136$ $2$ $2$ $0$
136.48.0.bo.2 $136$ $2$ $2$ $0$
152.48.0.bg.1 $152$ $2$ $2$ $0$
152.48.0.bi.2 $152$ $2$ $2$ $0$
152.48.0.bk.1 $152$ $2$ $2$ $0$
152.48.0.bm.2 $152$ $2$ $2$ $0$
168.48.0.dz.2 $168$ $2$ $2$ $0$
168.48.0.ed.2 $168$ $2$ $2$ $0$
168.48.0.eh.2 $168$ $2$ $2$ $0$
168.48.0.el.2 $168$ $2$ $2$ $0$
176.48.0.be.2 $176$ $2$ $2$ $0$
176.48.0.bg.2 $176$ $2$ $2$ $0$
176.48.0.bm.1 $176$ $2$ $2$ $0$
176.48.0.bo.1 $176$ $2$ $2$ $0$
176.48.1.bq.1 $176$ $2$ $2$ $1$
176.48.1.bs.1 $176$ $2$ $2$ $1$
176.48.1.by.2 $176$ $2$ $2$ $1$
176.48.1.ca.2 $176$ $2$ $2$ $1$
184.48.0.bg.2 $184$ $2$ $2$ $0$
184.48.0.bi.2 $184$ $2$ $2$ $0$
184.48.0.bk.2 $184$ $2$ $2$ $0$
184.48.0.bm.2 $184$ $2$ $2$ $0$
208.48.0.bm.2 $208$ $2$ $2$ $0$
208.48.0.bo.2 $208$ $2$ $2$ $0$
208.48.0.bu.1 $208$ $2$ $2$ $0$
208.48.0.bw.1 $208$ $2$ $2$ $0$
208.48.1.bs.1 $208$ $2$ $2$ $1$
208.48.1.bu.1 $208$ $2$ $2$ $1$
208.48.1.ca.2 $208$ $2$ $2$ $1$
208.48.1.cc.2 $208$ $2$ $2$ $1$
232.48.0.bi.2 $232$ $2$ $2$ $0$
232.48.0.bk.2 $232$ $2$ $2$ $0$
232.48.0.bm.2 $232$ $2$ $2$ $0$
232.48.0.bo.2 $232$ $2$ $2$ $0$
240.48.0.co.2 $240$ $2$ $2$ $0$
240.48.0.cq.1 $240$ $2$ $2$ $0$
240.48.0.de.1 $240$ $2$ $2$ $0$
240.48.0.dg.2 $240$ $2$ $2$ $0$
240.48.1.fo.2 $240$ $2$ $2$ $1$
240.48.1.fq.1 $240$ $2$ $2$ $1$
240.48.1.ge.1 $240$ $2$ $2$ $1$
240.48.1.gg.2 $240$ $2$ $2$ $1$
248.48.0.bg.2 $248$ $2$ $2$ $0$
248.48.0.bi.2 $248$ $2$ $2$ $0$
248.48.0.bk.2 $248$ $2$ $2$ $0$
248.48.0.bm.2 $248$ $2$ $2$ $0$
264.48.0.dz.2 $264$ $2$ $2$ $0$
264.48.0.ed.2 $264$ $2$ $2$ $0$
264.48.0.eh.1 $264$ $2$ $2$ $0$
264.48.0.el.2 $264$ $2$ $2$ $0$
272.48.0.bm.1 $272$ $2$ $2$ $0$
272.48.0.bo.1 $272$ $2$ $2$ $0$
272.48.0.bu.2 $272$ $2$ $2$ $0$
272.48.0.bw.2 $272$ $2$ $2$ $0$
272.48.1.bs.2 $272$ $2$ $2$ $1$
272.48.1.bu.2 $272$ $2$ $2$ $1$
272.48.1.ca.1 $272$ $2$ $2$ $1$
272.48.1.cc.1 $272$ $2$ $2$ $1$
280.48.0.dw.2 $280$ $2$ $2$ $0$
280.48.0.ea.2 $280$ $2$ $2$ $0$
280.48.0.ee.2 $280$ $2$ $2$ $0$
280.48.0.ei.2 $280$ $2$ $2$ $0$
296.48.0.bi.2 $296$ $2$ $2$ $0$
296.48.0.bk.2 $296$ $2$ $2$ $0$
296.48.0.bm.2 $296$ $2$ $2$ $0$
296.48.0.bo.1 $296$ $2$ $2$ $0$
304.48.0.be.2 $304$ $2$ $2$ $0$
304.48.0.bg.2 $304$ $2$ $2$ $0$
304.48.0.bm.1 $304$ $2$ $2$ $0$
304.48.0.bo.1 $304$ $2$ $2$ $0$
304.48.1.bq.1 $304$ $2$ $2$ $1$
304.48.1.bs.1 $304$ $2$ $2$ $1$
304.48.1.by.2 $304$ $2$ $2$ $1$
304.48.1.ca.2 $304$ $2$ $2$ $1$
312.48.0.ed.2 $312$ $2$ $2$ $0$
312.48.0.eh.2 $312$ $2$ $2$ $0$
312.48.0.el.2 $312$ $2$ $2$ $0$
312.48.0.ep.2 $312$ $2$ $2$ $0$
328.48.0.bi.2 $328$ $2$ $2$ $0$
328.48.0.bk.2 $328$ $2$ $2$ $0$
328.48.0.bm.2 $328$ $2$ $2$ $0$
328.48.0.bo.2 $328$ $2$ $2$ $0$