Mathematics · Group Theory
An automorphism of a group G is defined as a mapping that is a/an ______.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Homomorphism from G to G that is both one-to-one and onto✓
- 2Isomorphism from G to a proper subgroup of G
- 3Homomorphism from G to G that is neither one-to-one nor onto
- 4Isomorphism from G to a completely different group H
Correct answer
Homomorphism from G to G that is both one-to-one and onto
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