ProCGroups.ProC.MaximalQuotients
This module develops finite quotient, subgroup, free pro-\(C\), generation, and cardinal-invariant constructions for profinite and pro-\(C\) groups.
Definitions
Maximal pro-\(C\) quotient groups via their universal property.
ResidualCore
Bundled closed normal kernels whose quotient is pro-\(C\).
UniversalProperty
Any normal subgroup with pro-\(C\) quotient contains the residual core.