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Remarks on the commutativity of the radicals of group algebras

Published online by Cambridge University Press:  18 May 2009

Shigeo Koshitani
Affiliation:
Department of Mathematics, Tsukuba University, Sakura-mura, Ibaraki 300–31, Japan
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Let K be an arbitrary field with characteristic p > 0, G a finite group of order pag′ with (p, g′) = 1, P a p-Sylow subgroup of G and G′ the commutator subgroup of G. For a ring R denote by J(R) the Jacobson radical of R and by Z(R) the centre of R. We write KG for the group algebra of G over K.

Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 1979

References

REFERENCES

1.Brauer, R. and Nesbitt, C., On the modular characters of groups, Ann. of Math. 42 (1941), 556590.CrossRefGoogle Scholar
2.Dornhoff, L., Group representation theory (part B), (Dekker, 1972).Google Scholar
3.Hamernik, W., Group structure and properties of block ideals of the group algebra, Glasgow Math. J. 16 (1975), 2228.CrossRefGoogle Scholar
4.Michler, G. O., Blocks and centers of group algebras, in Lectures on rings and modules, Lecture Notes in Mathematics 246 (Springer-Verlag, 1972), 429563.CrossRefGoogle Scholar
5.Morita, K., On group rings over a modular field which possess radicals expressible as principal ideals, Sci. Rep. of Tokyo Bunrika Daigaku A 4 (1951), 177194.Google Scholar
6.Osima, M., On primary decomposable group rings, Proc. Phys.-Math. Soc. Japan 24 (1942), 19.Google Scholar
7.Passman, D. S., Radicals of twisted group rings, Proc. London Math. Soc. (3) 20 (1970), 409437.CrossRefGoogle Scholar
8.Wallace, D. A. R., Note on the radical of a group algebra, Proc. Cambridge Philos. Soc. 54 (1958), 128130.CrossRefGoogle Scholar
9.Wallace, D. A. R., Group algebras with central radicals, Proc. Glasgow Math. Assoc. 5 (1962), 103108.CrossRefGoogle Scholar
10.Wallace, D. A. R., Group algebras with radicals of square zero, Proc. Glasgow Math. Assoc. 5 (1962), 158159.CrossRefGoogle Scholar
11.Wallace, D. A. R., On the commutativity of the radical of a group algebra, Proc. Glasgow Math. Assoc. 7 (1965), 18.CrossRefGoogle Scholar