Does the group U(12) of units in Z/12 have the same structure as U(8)? I don't quite understand the question. Could you please explain what it means by "units" and by "structure"?
Last edited by mr fantastic; May 6th 2010 at 05:54 PM. Reason: Copied title into main body of post.
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Originally Posted by feyomi I don't quite understand the question. Could you please explain what it means by "units" and by "structure"? A group of units is the group of elements another group that have an inverse. So in , the group of units, or how you denote it .
Originally Posted by chiph588@ A group of units is the group of elements another group that have an inverse. So in , the group of units, or how you denote it . How would I go about determining whether there is a correspondence between the two groups at hand?
Originally Posted by feyomi How would I go about determining whether there is a correspondence between the two groups at hand? Do, what's obvious. Since draw out the two Cayley tables (not really but you get the idea) and figure out the isomorphism.
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