Abelian-potentially characteristic subgroup
BEWARE! This term is nonstandard and is being used locally within the wiki. [SHOW MORE]
This article defines a subgroup property: a property that can be evaluated to true/false given a group and a subgroup thereof, invariant under subgroup equivalence. View a complete list of subgroup properties[SHOW MORE]
Definition
A subgroup of an abelian group is termed an abelian-potentially characteristic subgroup if there exists an abelian group containing such that is a characteristic subgroup of .
Relation with other properties
Stronger properties
| property | quick description | proof of implication | proof of strictness (reverse implication failure) | intermediate notions |
|---|---|---|---|---|
| Characteristic subgroup of abelian group | characteristic subgroup of abelian group | direct from definition | abelian-potentially characteristic not implies characteristic | |FULL LIST, MORE INFO |
| Abelian-potentially fully invariant subgroup | is a fully invariant subgroup in some bigger abelian group | follows from fully invariant implies characteristic | ? | |FULL LIST, MORE INFO |
| Abelian-potentially verbal subgroup | is a verbal subgroup in some bigger abelian group | |FULL LIST, MORE INFO | ||
| Subgroup of finite abelian group | finite abelian NPC theorem | |FULL LIST, MORE INFO |
Weaker properties
| property | quick description | proof of implication | proof of strictness (reverse implication failure) | intermediate notions |
|---|---|---|---|---|
| Abelian-extensible automorphism-invariant subgroup | invariant under all abelian-extensible automorphisms | abelian-potentially characteristic implies abelian-extensible automorphism-invariant | ? | |FULL LIST, MORE INFO |
| Subgroup of abelian group | subgroup of an abelian group | |FULL LIST, MORE INFO |