Past exam of the mathematics course of the University of Cambridge / 2024 / iii / Paper 123 / 5 / c

The Chebotarev density theorem states that for a finite Galois extension $L/K$ and a conjugacy class $C\subseteq \mathrm{Gal}(L/K)$, the unramified primes whose Frobenius conjugacy class is $C$ have Dirichlet density