ℤ[ω]

GPTKB entity

Statements (24)
Predicate Object
gptkbp:instanceOf mathematical ring
gptkbp:alsoKnownAs ring of Eisenstein integers
gptkbp:basisOverℤ {1, ω}
gptkbp:contains all Eisenstein integers
gptkbp:definedIn set of numbers of the form a + bω, where a, b ∈ ℤ and ω is a primitive cube root of unity
gptkbp:dimensionOverℤ 2
gptkbp:discriminant -3
gptkbp:fieldOfFractions ℚ(ω)
gptkbp:hasSubgroup complex numbers
gptkbp:hasUnit ±1, ±ω, ±ω^2
https://www.w3.org/2000/01/rdf-schema#label ℤ[ω]
gptkbp:isEuclideanDomain true
gptkbp:isIntegralDomain true
gptkbp:isPrincipalIdealDomain true
gptkbp:isUniqueFactorizationDomain true
gptkbp:norm N(a + bω) = a^2 - ab + b^2
gptkbp:usedIn gptkb:geometry_of_numbers
algebraic number theory
cryptography
modular forms
gptkbp:ω (-1 + √-3)/2
gptkbp:bfsParent gptkb:Eisenstein_integer
gptkb:Eisenstein_integers
gptkbp:bfsLayer 6