Properties

Label 24.96.0-24.bi.2.1
Level $24$
Index $96$
Genus $0$
Analytic rank $0$
Cusps $10$
$\Q$-cusps $0$

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Invariants

Level: $24$ $\SL_2$-level: $8$
Index: $96$ $\PSL_2$-index:$48$
Genus: $0 = 1 + \frac{ 48 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 10 }{2}$
Cusps: $10$ (none of which are rational) Cusp widths $2^{4}\cdot4^{2}\cdot8^{4}$ Cusp orbits $2^{3}\cdot4$
Elliptic points: $0$ of order $2$ and $0$ of order $3$
$\Q$-gonality: $1 \le \gamma \le 2$
$\overline{\Q}$-gonality: $1$
Rational cusps: $0$
Rational CM points: none

Other labels

Cummins and Pauli (CP) label: 8O0
Rouse, Sutherland, and Zureick-Brown (RSZB) label: 24.96.0.1012

Level structure

$\GL_2(\Z/24\Z)$-generators: $\begin{bmatrix}5&1\\8&23\end{bmatrix}$, $\begin{bmatrix}11&13\\20&23\end{bmatrix}$, $\begin{bmatrix}17&20\\16&21\end{bmatrix}$
$\GL_2(\Z/24\Z)$-subgroup: Group 768.1086443
Contains $-I$: no $\quad$ (see 24.48.0.bi.2 for the level structure with $-I$)
Cyclic 24-isogeny field degree: $4$
Cyclic 24-torsion field degree: $16$
Full 24-torsion field degree: $768$

Models

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

Rational points

This modular curve has infinitely many rational points, including 3 stored non-cuspidal points.

Maps to other modular curves

$j$-invariant map of degree 48 to the modular curve $X(1)$ :

$\displaystyle j$ $=$ $\displaystyle -\frac{2^{11}}{3\cdot5^2}\cdot\frac{(x+y)^{48}(73x^{8}+204x^{7}y-4416x^{6}y^{2}+11808x^{5}y^{3}-23940x^{4}y^{4}-17712x^{3}y^{5}+152064x^{2}y^{6}-137376xy^{7}+123768y^{8})^{3}(191x^{8}-1272x^{7}y+8448x^{6}y^{2}-5904x^{5}y^{3}-47880x^{4}y^{4}+141696x^{3}y^{5}-317952x^{2}y^{6}+88128xy^{7}+189216y^{8})^{3}}{(x+y)^{48}(x^{2}-6y^{2})^{2}(x^{2}-18xy+6y^{2})^{4}(3x^{2}-4xy+18y^{2})^{2}(13x^{4}-18x^{3}y+18x^{2}y^{2}-108xy^{3}+468y^{4})^{8}}$

Modular covers

This modular curve minimally covers the modular curves listed below.

Covered curve Level Index Degree Genus Rank
8.48.0-8.ba.1.1 $8$ $2$ $2$ $0$ $0$
24.48.0-8.ba.1.7 $24$ $2$ $2$ $0$ $0$
24.48.0-24.bh.1.1 $24$ $2$ $2$ $0$ $0$
24.48.0-24.bh.1.6 $24$ $2$ $2$ $0$ $0$
24.48.0-24.by.2.2 $24$ $2$ $2$ $0$ $0$
24.48.0-24.by.2.11 $24$ $2$ $2$ $0$ $0$

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

Covering curve Level Index Degree Genus
24.288.8-24.gg.2.2 $24$ $3$ $3$ $8$
24.384.7-24.eh.2.1 $24$ $4$ $4$ $7$
48.192.1-48.cf.1.4 $48$ $2$ $2$ $1$
48.192.1-48.ch.1.4 $48$ $2$ $2$ $1$
48.192.1-48.cn.2.3 $48$ $2$ $2$ $1$
48.192.1-48.cp.2.3 $48$ $2$ $2$ $1$
48.192.1-48.dl.2.1 $48$ $2$ $2$ $1$
48.192.1-48.dn.2.1 $48$ $2$ $2$ $1$
48.192.1-48.dt.1.2 $48$ $2$ $2$ $1$
48.192.1-48.dv.1.2 $48$ $2$ $2$ $1$
120.480.16-120.eo.2.2 $120$ $5$ $5$ $16$
240.192.1-240.ll.1.7 $240$ $2$ $2$ $1$
240.192.1-240.ln.1.7 $240$ $2$ $2$ $1$
240.192.1-240.lt.1.5 $240$ $2$ $2$ $1$
240.192.1-240.lv.1.5 $240$ $2$ $2$ $1$
240.192.1-240.qj.1.2 $240$ $2$ $2$ $1$
240.192.1-240.ql.1.2 $240$ $2$ $2$ $1$
240.192.1-240.qr.1.4 $240$ $2$ $2$ $1$
240.192.1-240.qt.1.4 $240$ $2$ $2$ $1$