quadratic integer

English

Etymology

The idea of integer here is that the coefficient of the $x^2$ term is 1.

Noun

quadratic integer (plural quadratic integers)

(mathematics) A number (real or complex) which is a solution to an equation of the form $x^{2}+Bx+C=0$ for some integers B and C. For example 42, or 2+3i, or $1+{\sqrt {-3}} \over 2$ .

Hypernyms

algebraic integer
- algebraic number

Hyponyms

Gaussian integer / Eisenstein integer
- integer

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