|Jun8-11, 02:22 PM||#1|
I am extending the standard model symmetry group by introducing discrete symmetry (Z2). The group could be (I, G) or (I, -G). Is that called even and odd Z2 symmetry? What is the difference of considering either of them?
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|Jun8-11, 03:53 PM||#2|
There is exactly one finite group of order 2.
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