Characteristic direct factor of a Lie ring

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This page describes a Lie subring property obtained as a conjunction (AND) of two (or more) more fundamental subgroup properties: characteristic subring of a Lie ring and direct factor of a Lie ring
View other Lie subring property conjunctions | view all properties of subrings in Lie rings
ANALOGY: This is an analogue in Lie ring of a property encountered in group. Specifically, it is a Lie subring property analogous to the subgroup property: characteristic direct factor
View other analogues of characteristic direct factor | View other analogues in Lie rings of subgroup properties (OR, View as a tabulated list)

Definition

A subring of a Lie ring is termed a characteristic direct factor if it is both a characteristic subring (i.e., it is invariant under all automorphisms of the Lie ring) and a direct factor.

Relation with other properties

Weaker properties