Theorem Proof Let f: G→→ H be a group homomorphism. Then, Im fs H. The kernel of f, we write Ker f, is Ker f= {ge G: f(g) = en}. The Image of f, we write Im f, is Im f= {he H: h= f(g) for some g = G).

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.6: Quotient Groups
Problem 5TFE: True or False Label each of the following statements as either true or false. 5. The homomorphic...
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Theorem
Let f: G → H be a group homomorphism. Then, Im fs H.
Proof
The kernel of f, we write Ker f, is
Ker f = {g e G: f(g) = en}.
The Image of f, we write Im f, is
Im f= {h e H: h = f(g) for some g e G}.
Transcribed Image Text:Theorem Let f: G → H be a group homomorphism. Then, Im fs H. Proof The kernel of f, we write Ker f, is Ker f = {g e G: f(g) = en}. The Image of f, we write Im f, is Im f= {h e H: h = f(g) for some g e G}.
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