In group theory, what is the direct product of a symmetry group with itself? Say T*T or O*O?
Mar 22, 2017 #1 ftft 21 0 In group theory, what is the direct product of a symmetry group with itself? Say T*T or O*O?
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Mar 22, 2017 #2 fresh_42 Mentor Insights Author 14,163 11,464 What do you accept as an answer? A split short exact sequence? And what are T and O?