2 problems

Let $E/\mathbb{Q}$ be a CM elliptic curve, let $r\neq 0$ be a fixed integer, let $C_{E,r}$ be the Lang–Trotter constant, and let $\overline{\omega}_{E,r}$ be the explicit constant…

Lang–Trotter fixed-Frobenius-field conjecture. There exists a constant $C(E,F)>0$ such that