## The modular curve $X_{29}$

Curve name $X_{29}$
Index $12$
Level $8$
Genus $0$
Does the subgroup contain $-I$? Yes
Generating matrices $\left[ \begin{matrix} 1 & 2 \\ 4 & 1 \end{matrix}\right], \left[ \begin{matrix} 1 & 2 \\ 0 & 1 \end{matrix}\right], \left[ \begin{matrix} 1 & 0 \\ 6 & 3 \end{matrix}\right], \left[ \begin{matrix} 1 & 3 \\ 6 & 7 \end{matrix}\right]$
Images in lower levels
 Level Index of image Corresponding curve $2$ $3$ $X_{6}$ $4$ $6$ $X_{11}$
Meaning/Special name
Chosen covering $X_{11}$
Curves that $X_{29}$ minimally covers $X_{11}$, $X_{16}$, $X_{19}$
Curves that minimally cover $X_{29}$ $X_{76}$, $X_{77}$, $X_{83}$, $X_{125}$, $X_{133}$
Curves that minimally cover $X_{29}$ and have infinitely many rational points. $X_{76}$, $X_{77}$, $X_{83}$
Model $\mathbb{P}^{1}, \mathbb{Q}(X_{29}) = \mathbb{Q}(f_{29}), f_{11} = \frac{8f_{29}^{2} - 16}{f_{29}^{2} + 2}$
Elliptic curve whose $2$-adic image is the subgroup $y^2 = x^3 - x^2 + 3699x - 118827$, with conductor $17664$
Generic density of odd order reductions $2659/10752$