Metadata aliases: [] shorthands: {} created: 2022-01-13 14:25:35 modified: 2022-01-13 14:27:30 Let be a group. An element is called central if it commutes with every element in , i.e. :
aliases: [] shorthands: {} created: 2022-01-13 14:25:35 modified: 2022-01-13 14:27:30