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On the module structure of a p-extension over a -adic number field
1980
Nagoya mathematical journal
Preserved Fulltext
Throughout this paper, let p be an odd prime. Let k be a -adic number field and be the ring of all integers in k. Let K/k be a finite totally ramified Galois p-extension of degree pn with the Galois group G. Clearly the ring of all integers in K is an [G]-module. In the previous paper [4], we studied [G]-module structure of in a cyclic totally ramified p-extension, and we have obtained the condition for to be an indecomposable [G]-module.
doi:10.1017/s0027763000018614
fatcat:rmbubhu6fvarfgxduupd4hj5ku