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Related to isotropy group: Transitive group action, Faithful Group Action, Group Orbit, G-set, Transformation groups
isotropy group[′ī·sə‚trō·pē ‚grüp]
For an operation of a group G on a set S, the isotropy group of an element s of S is the set of elements g in G such that gs = s.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.