25.50 Cgs

Cgs( U )

Cgs returns a canonical generating system of U with respect to the parent group of U as list of ag words (see More about Ag Groups).

If U.cgs is bound, this is returned without any further action. If U.igs is bound, a copy of this component is normalized, bound to U.cgs and returned. If neither U.igs nor U.cgs are bound, a canonical generating system for U is computed using MergedCgs (see MergedCgs) and bound to U.cgs.

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