general linear group GL(n,C)

E595246

The general linear group GL(n,ℂ) is the Lie group consisting of all invertible n×n complex matrices under matrix multiplication, fundamental in linear algebra and representation theory.

All labels observed (3)

Label Occurrences
GL(n,ℂ) 3
GLₙ(ℂ) 1
general linear group GL(n,C) canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf Lie group
complex Lie group
linear algebraic group
matrix group
topological group
actsOn ℂⁿ by left multiplication
appearsIn classification of complex representations of finite groups via embeddings
center {λIₙ : λ ∈ ℂˣ}
centerIsomorphicTo ℂˣ
conditionForMembership det(A) ≠ 0
containsSubgroup Borel subgroup of upper triangular invertible matrices
linked to: Borel subgroup

SL(n,ℂ)
U(n)
definedAs group of all invertible n×n complex matrices
definedByPolynomialCondition det(A) ≠ 0
determinantMap det : GL(n,ℂ) → ℂˣ
determinantMapIs surjective group homomorphism
dimensionAsComplexLieGroup
dimensionAsRealManifold 2n²
fundamentalGroup
hasDeterminantCharacter det : GL(n,ℂ) → ℂˣ
hasMaximalTorus diagonal invertible matrices
identityElement n×n identity matrix
inverseOperation matrix inverse
isAlgebraicGroupOver
isConnected true
isNonAbelian true
isOpenSubsetOf Mₙ(ℂ) with respect to standard topology
isReductive true
isSimplyConnected false
isSolvable false
kernelOfDeterminant SL(n,ℂ)
LieAlgebra 𝔤𝔩(n,ℂ)
LieAlgebraDefinedAs all n×n complex matrices with usual commutator bracket
maximalCompactSubgroup U(n)
notationVariant GLₙ(ℂ)
overField
parameter n ∈ ℕ, n ≥ 1
quotientByCenter PGL(n,ℂ)
rank n
roleInMathematics basic example in Lie theory
basic example in algebraic geometry
central in representation theory
fundamental in linear algebra
standardRepresentation action on ℂⁿ
subgroupDefinedAs SL(n,ℂ) = {A ∈ GL(n,ℂ) : det(A) = 1}
underOperation matrix multiplication

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Lie group hasExample general linear group GL(n,C)
GL(n,ℂ) notationVariant GLₙ(ℂ)
subject linked to: general linear group GL(n,C)
linked to: general linear group GL(n,C)
SL(n,ℂ) isSubsetOf GL(n,ℂ)
subject linked to: special linear group SL(n,C)
linked to: general linear group GL(n,C)
SL(n,ℂ) isDerivedSubgroupOf GL(n,ℂ)
subject linked to: special linear group SL(n,C)
linked to: general linear group GL(n,C)
SL(n,ℂ) isNormalSubgroupOf GL(n,ℂ)
subject linked to: special linear group SL(n,C)
linked to: general linear group GL(n,C)