On the Number of Subgroups of Index Two-An Application of Goursat's Theorem for Groups

DOI10.2307/2689703zbMath0324.20045OpenAlexW4244379845MaRDI QIDQ4087420

Robert R. Crawford, K. D. Wallace

Publication date: 1975

Published in: Mathematics Magazine (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2689703

Mathematics Subject Classification ID

Chains and lattices of subgroups, subnormal subgroups (20E15) Special aspects of infinite or finite groups (20F99) Finite nilpotent groups, (p)-groups (20D15)

Related Items (3)

Unnamed Item ⋮ Characteristic subgroup lattices and Hopf–Galois structures ⋮ On the number of subgroups of non-metacyclic minimal non-abelian p-groups

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