The center of a group $G$ is the subgroup $$Z(G) = \{x\in G | xg=gx \mbox{ for all } g\in G\} $$ I know the term center comes from German but I'm wondering who coined the term and why. In what sense if an element of this subgroup "central"
2026-03-25 18:31:26.1774463486
History: Who coined the term centre and why is it called
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