Semantic search
2-subnormality is not finite-join-closed, Automorph-conjugacy is not finite-join-closed, Central factor is not finite-join-closed, Direct factor is not finite-join-closed, Finite-join-closedness is left residual-preserved, Intermediately operator preserves join-closedness, Procharacteristicity is not finite-join-closed, Pronormality is not finite-join-closed, Subnormality is not finite-join-closed, Transitive normality is not finite-join-closed