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#1
Dec506, 04:53 PM

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Our professor posed this question, and I'm having a very difficult time with it.
If you have a unique subgroup H of G such that H is of order 10 or 20, then H is a normal subgroup. How can you generalize this? If you have the time to give some hints or suggestions, I'd appreciate it. Nelson 


#2
Dec506, 04:55 PM

P: n/a

Quick note: By stating that theorem, he meant prove it for orders of 10 or 20, then generalize the findings.



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