Infinite Families of Isomorphic Nonconjugate Finitely Generated Subgroups

DOI10.2307/2154700zbMath0831.20034OpenAlexW4246515945MaRDI QIDQ4292753

Francis E. A. Johnson

Publication date: 6 February 1996

Full work available at URL: https://doi.org/10.2307/2154700

zbMATH Keywords

free groupssymmetric bilinear formssurface groupsnormal subdirect productsfinitely generated free Abelian groupsisomorphic subdirect products

Mathematics Subject Classification ID

Subgroup theorems; subgroup growth (20E07) Automorphisms of infinite groups (20E36) Extensions, wreath products, and other compositions of groups (20E22) Free nonabelian groups (20E05) Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations (20E06) Fundamental groups and their automorphisms (group-theoretic aspects) (20F34) Abelian groups (20K99)

Cites Work

• Unnamed Item
• Density properties for certain subgroups of semi-simple groups without compact components
• On the first Betti number of a constant negatively curved manifold
• The Field of Definition of a Variety
• On normal subgroups of direct products