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Nov 24, 2023 at 12:21 history edited YCor CC BY-SA 4.0
removed unnecessary assumption "finite" and unabbreviated
Nov 24, 2023 at 9:33 history became hot network question
Nov 24, 2023 at 9:27 answer added Jeremy Rickard timeline score: 4
Nov 24, 2023 at 8:01 history edited Dominic van der Zypen CC BY-SA 4.0
added 12 characters in body
Nov 24, 2023 at 8:01 comment added Dominic van der Zypen Right @YCor, will include this
Nov 24, 2023 at 7:59 vote accept Dominic van der Zypen
Nov 24, 2023 at 6:33 answer added YCor timeline score: 7
Nov 24, 2023 at 6:17 comment added YCor You need to assume that each $G_\alpha$ is nontrivial. (Also, by convention, the trivial group is not indecomposable.)
Nov 24, 2023 at 4:23 answer added Keith Kearnes timeline score: 6
Nov 23, 2023 at 20:41 comment added Derek Holt The standard terminology is decomposable and indecomposable.
Nov 23, 2023 at 19:48 history asked Dominic van der Zypen CC BY-SA 4.0