例文
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- The dicyclic group has a unique center of Dic " n ".
- When " m " = 1 this group is a binary dihedral or dicyclic group.
- Note that the dicyclic group does not contain any subgroup isomorphic to Dih " n ".
- More abstractly, one can define the dicyclic group Dic " n " as any group having the presentation
- For this reason the dicyclic group is also known as the "'binary dihedral group " '.