Primitive central idempotents of rational group algebras

Janssens, Geoffrey;et.al.
(2013) Journal of Algebra and its Applications — Vol. 12, n° 1 (2013)

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We give a description of the primitive central idempotents of the rational group algebra Q G of a finite group G. Such a description is already investigated by Jespers, Olteanu and del Río, but some unknown scalars are involved. Our description also gives answers to their questions. © 2013 World Scientific Publishing Company.
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Janssens, G., & et al. (2013). Primitive central idempotents of rational group algebras. Journal of Algebra and its Applications, 12(1). https://doi.org/10.1142/S0219498812501307 (Original work published 2013)