J. Aust. Math. Soc.  81 (2006), 209-214
Elements of minimal breadth in finite p-groups and Lie algebras

Avinoam Mann
  Institute of Mathematics
  Hebrew University
  Jerusalem 91904

Let G be a finite p-group, and let M(G) be the subgroup generated by the non-central conjugacy classes of G of minimal size. We prove that this subgroup has class at most 3. A similar result is noted for nilpotent Lie algebras.
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