Abstract
We characterize all finite p-groups G of order p n (n ≤ 6), where p is a prime for n ≤ 5 and an odd prime for n = 6, such that the center of the inner automorphism group of G is equal to the group of central automorphisms of G.
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ACKNOWLEDGMENT
Authors are very thankful to the referee for his/her useful comments and suggestions.
Notes
Communicated by S. Sehgal.