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Chowla-Mordell Theorem

Number Theory

The Chowla-Mordell theorem is a result in number theory concerning Gauss sums associated with Dirichlet characters modulo an odd prime. It states that if the argument of such a Gaussian sum is a root of unity, the character generating it must be quadratic. The theorem determines the cases in which a Gauss sum equals the square root of a prime number multiplied by a root of unity, and it was proved and published independently by Sarvadaman Chowla and Louis Mordell around 1951. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Partially Attested
Proof Year
1951 1
Source states the theorem was proved 'around 1951'; exact year is approximate
Statement
For a Dirichlet character modulo an odd prime, if the argument of its Gaussian sum is a root of unity, then the character must be quadratic. 1
Classification
Statement Form
Characterization Theorem 1
Connections

Has Statement Form

In Branch

Source Chowla-Mordell theorem (Wikipedia)

Proved By

Source Chowla-Mordell Theorem (Wikipedia)
Source Chowla-Mordell Theorem (Wikipedia)
Sources
1. Chowla-Mordell theorem (Wikipedia)
  • Introduction
    if the argument of its Gaussian sum is a root of unity, then the character must be quadratic
  • Introduction [proof-year]
    proved and published independently by Sarvadaman Chowla and Louis Mordell, around 1951
  • In Branch: Number Theory, Lead paragraph
    It is a result in number theory determining cases where a Gauss sum is the square root of a prime number, multiplied by a root of unity.
View the Source
Chowla-Mordell Theorem (Wikipedia)
  • Proved By: Louis Mordell, Lead sentence, attribution
    proved and published independently by Sarvadaman Chowla and Louis Mordell
  • Proved By: Sarvadaman Chowla, Lead sentence, attribution
    proved and published independently by Sarvadaman Chowla and Louis Mordell
View the Source
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