Triple

Target class: completely multiplicative function
Context triple: [Liouville function, instanceOf, completely multiplicative function]

• A. arithmetical function chosen
  An arithmetical function is a function defined on the positive integers that assigns to each integer a (usually complex or real) value, often encoding number-theoretic properties such as divisors, primes, or multiplicative structure.
• B. operation on arithmetic functions
  An operation on arithmetic functions is a rule that combines one or more arithmetic functions (defined on the positive integers) to produce a new arithmetic function, such as via addition, multiplication, convolution, or composition.
• C. multiplicative character modulo p
  A multiplicative character modulo p is a homomorphism from the multiplicative group of nonzero residues modulo a prime p to the complex numbers of absolute value 1, extended by defining its value at 0 (often as 0).
• D. L-function
  An L-function is a complex analytic function, typically expressed as a Dirichlet series with an Euler product, that encodes deep arithmetic information about objects such as numbers, fields, or algebraic varieties.
• E. Dirichlet series
  A Dirichlet series is an infinite series of the form ∑ₙ₌₁^∞ aₙ n^(-s), where s is a complex variable and aₙ are complex coefficients, used extensively in analytic number theory to study arithmetic functions and L-functions.
• F. None of above.