: Preface Introduction Chapter 1. Arithmetic Functions 1.1. Notation and definitions 1.2. Generating series 1.3. Dirichlet convolution 1.4. Examples 1.5. Arithmetic functions on average 1.6. Sums of multiplicative functions 1.7. Distribution of additive functions Chapter 2. Elementary Theory of Prime Numbers 2.1. The Prime Number Theorem 2.2. Tchebyshev method 2.3. Primes in arithmetic progressions 2.4. Reflections on elementary proofs of the Prime Number Theorem Chapter 3. Characters 3.1. Introduction 3.2. Dirichlet characters 3.3. Primitive characters 3.4. Gauss sums 3.5. Real characters 3.6. The quartic residue symbol 3.7. The Jacobi-Dirichlet and the Jacobi-Kubot ...
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