Let G be any group and A (G) the set of all 1-1 mappings of G, as a set, onto itself. Define La: G→ G by La(x) = xa¹. Prove that: (a) La E A (G). (b) LaLb= Lab. (c) The mapping : GA (G) defined by (a) = La is a monomor- phism of G into A (G).

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3. Let G be any group and A (G) the set of all 1-1 mappings of G, as a set,
onto itself. Define La: G→ G by La(x) = xa¹. Prove that:
(a) La E A (G).
(b) LaLb = Lab.
(c) The mapping : GA (G) defined by (a) = La is a monomor-
phism of G into A (G).
Transcribed Image Text:3. Let G be any group and A (G) the set of all 1-1 mappings of G, as a set, onto itself. Define La: G→ G by La(x) = xa¹. Prove that: (a) La E A (G). (b) LaLb = Lab. (c) The mapping : GA (G) defined by (a) = La is a monomor- phism of G into A (G).
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