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Abelian groups whose subgroup lattice is the union of two intervals
Published online by Cambridge University Press: 09 April 2009
Abstract
In this note we characterize the abelian groups G which have two different proper subgroups N and M such that the subgroup lattice L(G)=[0, M]∪ [N, G] is the union of these intervals.
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- Copyright © Australian Mathematical Society 2005
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