{"paper":{"title":"Omega subgroups of powerful p-groups","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.GR","authors_text":"Gustavo A. Fern\\'andez-Alcober","submitted_at":"2011-08-02T09:15:53Z","abstract_excerpt":"Let G be a powerful finite p-group. In this note, we give a short elementary proof of the following facts for all $i\\ge 0$: (i) $\\exp \\Omega_-i(G)\\le p^i$ for odd p, and $\\exp \\Omega_-i(G)\\le 2^{i+1}$ for p = 2; (ii) the index $|G:G^{p^i}|$ coincides with the number of elements of G of order at most $p^i$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0521","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}