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KKK
Joined: 25 Feb 2004Posts: 2
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Posted: Thu Dec 09, 2004 3:52 am Post subject: Problems on Algebra
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Can someone help me?
Let are two groups and be normal subgroups of (i=1, 2). Give an example that the following is not true:
and .
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Alex
Frequent VisitorJoined: 03 Nov 2003Posts: 30
Location: CUHK
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Posted: Thu Dec 09, 2004 6:52 pm Post subject:
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We can consider the dihedral group . There are two subgroups of of order 4, namely and . Obviously, but while $[/dollar]
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