Question
Prove that every non-trivial subgroup of a cyclic group has finite index. Hence prove that is not cyclic.
Answer :
Word Count : 202
Let (G = \langle g \rangle) be a cyclic group and let (H) be a non-trivial subgroup of (G). Since (G) is cyclic, every element of (G) can be written as (g^n) for some integer (n). Let (h \in H) be a non-identity element. Then (h = g^m) for some _____ _______ ________ ________ ______ _______ __________ ___.
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Let (G = \langle g \rangle) be a cyclic group and let (H) be a non-trivial subgroup of (G). Since (G) is cyclic, every element of (G) can be written as (g^n) for some integer (n). Let (h \in H) be a non-identity element. Then (h = g^m) for some _____ _______ ________ ________ ______ _______ __________ ___.
_________ ___ ______ ____ _______ _____ _________ ____ ___.
___ ____ ________ _________ ___ ____ ________ ______ ___ _____.
_________ ____ ___ __________ __________ ____ __________ _____ ______ ________ ________ _____.
________ ______ ______ _______ __________ _____ ________ _________ _______.
______ __________ _______ _______ ______ __________ __________ ______ _____.
____ ___ ____ _____ _______ __________.
_________ ___ _____ ______ _____ ___ _____ _________ ________ _______ __________.
________ __________ ________ ______ ___ ____ _________ _____ _______.
__________ ___ __________ ______ _______ ___ ______.
________ __________ ___ __________ _____ ___.
______ _______ ___ ___ ________ ___ _____ _____.
________ ______ __________ ___ _____ _________ _______ _________ _____ ____ ___.
___ ________ ________ __________ ______ _____ _____ _______.
______ ___ _______ __________ ___.
_______ ____ ___ __________ ______ __________ _____ ____.
_____ ______ _____ _________ ________ _____ ______.
____ ___ ______ ________ ____.
___ ______ _______ ________.
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