Full Idea
Four groups of categories: Quantity (unity,plurality,totality), Quality (reality,negation,limitation), Relation (inherence/subsistence, causality/dependence,community), and Modality (possible/impossible,exist/non-exist,necessary/contingent).
Gist of Idea
Four groups of categories of concept: Quantity, Quality, Relation and Modality
Source
Immanuel Kant (Critique of Pure Reason [1781], B106/A80)
Book Reference
Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.212
A Reaction
I can't challenge this claim, but Kant himself invites us to compare his scheme with that of Aristotle. See Idea 3311 for a summary. I prefer the way Aristotelian categories 'peter out', rather than being clear and determinate. Hegel had a shot too.
Related Idea
Idea 3311 The categories (substance, quality, quantity, relation, action, passion, place, time) peter out inconsequentially [Benardete,JA on Aristotle]