proposition 4.72 The automorphism group

open in the book · parts/02-mathematical-methods/02-algebraic-structures.tex:2651 · p. 90

Rests on

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proposition 4.72: The automorphism group4.72definition 4.45: Group automorphism4.45definition 4.36: Subgroup4.36definition 4.48: Symmetric group4.48definition 4.73: External semidirect product4.73proof : ch:02-algebraic-structures@proof-27proofdefinition 4.44: Group isomorphism4.44definition 4.21: Group4.21definition 4.59: Conjugate subgroups4.59definition 4.60: Normal subgroup4.60definition 4.67: Product of subgroups4.67proposition 4.61: prop:alg-coset-equiv4.61proposition 4.42: When the homomorphisms form a group4.42proposition 4.38: prop:alg-nZ-subgroup4.38proposition 4.53: The subgroups of S_34.53theorem 4.56: Cayley's theorem4.56definition 3.47: Bijective map3.47definition 4.49: Permutation group4.49definition 5.32: Levi–Civita symbol; cross product5.32definition 5.141: Representation of a group5.141notation 4.51: Cycle notation4.51definition 4.1: Cartesian product4.1definition 4.43: Group homomorphism4.43example 4.78: The Euclidean group4.78example 4.79: The Poincaré group4.79proposition 4.74: The semidirect product is a group4.74proposition 18.20: The Galilean group18.20theorem 4.76: Internal characterization of the semidirect product4.76

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typedirectionnode provenancewhere
depends_on Group automorphism declared parts/02-mathematical-methods/02-algebraic-structures.tex:2656
depends_on Subgroup declared parts/02-mathematical-methods/02-algebraic-structures.tex:2656
depends_on Symmetric group declared parts/02-mathematical-methods/02-algebraic-structures.tex:2656
depends_on External semidirect product declared parts/02-mathematical-methods/02-algebraic-structures.tex:2692
proves ch:02-algebraic-structures@proof-27 declared parts/02-mathematical-methods/02-algebraic-structures.tex:2659