arithmetical function

C24992
concept

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.

All labels observed (8)

Label Occurrences
arithmetical function canonical 3
Chebyshev function 2
Fourier coefficient function 1

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: arithmetical function
Generated description
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.

Instances (9)

Instance Via concept surface
Hasse–Weil zeta function —
Ackermann function computable function
Jordan’s totient functions family of arithmetic functions
Chebyshev function θ(x)
linked to: Chebyshev functions
Chebyshev function
Ramanujan tau function Fourier coefficient function
Ramanujan’s sum —
Liouville function completely multiplicative function
Frobenius element arithmetic object
Mertens function
linked to: Mertens
—