Totally disconnected group

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This article defines a property that can be evaluated for a topological group (usually, a T0 topological group)
View a complete list of such properties


A topological group is termed totally disconnected if it satisfies the following equivalent conditions:

  1. Its underlying topological space is a totally disconnected space, i.e., the only non-empty connected subsets are singleton subsets.
  2. The connected component of identity is the trivial subgroup.

Relation with other properties

Stronger properties

Weaker properties