"Ode-to-Napoleon" hexachord
In music, the "Ode-to-Napoleon" hexachord (also magic hexachord, hexatonic collection, or hexatonic set class) is the hexachord named after its use in the twelve-tone piece Ode to Napoleon Buonaparte Op. 41 (1942) by Arnold Schoenberg (setting a text by Byron).
Source: Wikipedia — "Ode-to-Napoleon" hexachord (CC BY-SA 4.0)