Unit group of algebra of circulant matrices

Rajendra Sharma, Pooja Yadav
2013 International Journal of Group Theory  
Let Crn(Fp) denote the algebra of nXn circulant matrices over Fp, finite field of order p of prime characteristic p. The order of the unit groups U(Cr3(Fp)), U(Cr4(Fp)) and U(Cr5(Fp)) of algebras of circulant matrices over Fp are characterized.
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