Abstract
Let G be a finitely generated pro-p-group with d=dG>1 generators and a single defining relation. Then, if G is not a Demushkin group, G contains a maximal subgroup with more than p (d−2)+2 generators.
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Translated from Matematicheskie Zametki, Vol. 14, No. 1, pp. 121–126, July, 1973.
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Andozhskii, I.V. Demushkin groups. Mathematical Notes of the Academy of Sciences of the USSR 14, 626–628 (1973). https://doi.org/10.1007/BF01095783
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DOI: https://doi.org/10.1007/BF01095783