non-compact Lie group

C7234
concept

A non-compact Lie group is a Lie group whose underlying topological space is not compact, meaning it is a smooth group manifold that is unbounded or not closed in the sense of compactness.

All labels observed (7)

Label Occurrences
matrix group 22
isometry group 3
non-compact Lie group canonical 3

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: non-compact Lie group
Generated description
A non-compact Lie group is a Lie group whose underlying topological space is not compact, meaning it is a smooth group manifold that is unbounded or not closed in the sense of compactness.

Instances (29)

Instance Via concept surface
Euclidean group isometry group
E(n) isometry group
AdS isometry group SO(2,d) isometry group
modular group PSL(2,Z)
surface form: PSL(2,ℤ)
matrix group
rotation group SO(3)
surface form: SO(3)
matrix group
SL(2,C) matrix group
Poincaré group
Lorentz group matrix group
rotation group SU(2)
surface form: SU(2)
matrix group
ISO(n) matrix group
orthogonal group O(n) matrix group
affine group of R^n matrix group
special orthogonal group SO(n)
surface form: SO(n)
matrix group
U(1) unitary group
orthogonal group O(n+1,2) matrix group
SO(2,d-1) matrix group
special unitary group SU(n)
surface form: SU(n)
matrix group
general linear group GL(n,R)
surface form: GL(n,ℝ)
matrix group
special linear group SL(n,R)
surface form: SL(n,ℝ)
matrix group
general linear group GL(n,C)
surface form: GL(n,ℂ)
matrix group
special linear group SL(n,C)
surface form: SL(n,ℂ)
matrix group
PSL(2,ℤ/Nℤ) matrix group
SL(2,ℤ) matrix group
PSL(2,ℝ) real Lie group
Pauli group matrix group
SL(2,R) matrix group
PSL(2,\mathbb{C})
surface form: PSL(2,ℂ)
SL(2,7) matrix group
PGL(2,7) matrix group