A note on groups with few isomorphism classes of subgroups
Tom 144 / 2016
Colloquium Mathematicum 144 (2016), 265-271
MSC: Primary 20F50.
DOI: 10.4064/cm6779-1-2016
Opublikowany online: 23 March 2016
Streszczenie
The structure of infinite groups in which any two (proper) subgroups of the same cardinality are isomorphic is described within the universe of locally graded groups. The corresponding problem for finite groups was considered by R. Armstrong (1958).
