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General Linear Group of 2x2 real matrices
URI:
https://gptkb.org/entity/General_Linear_Group_of_2x2_real_matrices
GPTKB entity
Statements (49)
Predicate
Object
gptkbp:instanceOf
gptkb:group_of_people
gptkb:Lie_group
gptkbp:actsOn
real 2-dimensional vector space
gptkbp:centralTo
scalar multiples of identity matrix with nonzero real scalars
gptkbp:compact
true
gptkbp:component
{determinant > 0, determinant < 0}
gptkbp:contains
orthogonal group O(2)
diagonal matrices with nonzero entries
lower triangular invertible matrices
special linear group SL(2, ℝ)
upper triangular invertible matrices
gptkbp:containsElement
invertible 2x2 real matrices
gptkbp:definedIn
real numbers
gptkbp:determinant
GL(2, ℝ) → ℝ\\{0}
gptkbp:determinantCondition
determinant not zero
gptkbp:dimensions
4
gptkbp:field
ℝ
gptkbp:hasApplication
gptkb:geometry
partial differential equations
physics
linear algebra
gptkbp:hasConnection
false
gptkbp:hasDeterminantMap
true
gptkbp:hasSubgroup
gptkb:Special_Linear_Group_of_2x2_real_matrices
gptkbp:hasTwoConnectedComponents
true
https://www.w3.org/2000/01/rdf-schema#label
General Linear Group of 2x2 real matrices
gptkbp:identityElement
matrix inverse
2x2 identity matrix
gptkbp:isAlgebraicGroup
true
gptkbp:isDenseIn
M(2, ℝ)
gptkbp:isGroupUnder
matrix multiplication
gptkbp:isMatrixGroup
true
gptkbp:isNonAbelian
true
gptkbp:isNonConnected
true
gptkbp:isOpenSubsetOf
M(2, ℝ)
gptkbp:isReductive
true
gptkbp:isSimple
false
gptkbp:isTopologicalGroup
true
gptkbp:kernelOfDeterminantMap
gptkb:SL(2,_ℝ)
gptkbp:Lie_algebra
gl(2, ℝ)
gptkbp:LieAlgebraDimension
4
gptkbp:notation
GL(2, ℝ)
gptkbp:operator
matrix multiplication
gptkbp:order
infinite
gptkbp:quotientBySL2R
isomorphic to ℝ^×
gptkbp:realForm
gptkb:GL(2,_ℂ)
gptkbp:symbol
GL(2, ℝ)
gptkbp:bfsParent
gptkb:Special_Linear_Group_of_2x2_real_matrices
gptkbp:bfsLayer
7