What notes are in the E major piano chord?
E major (E) is a major triad containing E, G♯ and B. Its interval formula is root, major third and perfect fifth.
What are the inversions of E?
E has 3 positions: root position (E–G♯–B), first inversion (G♯–B–E) and second inversion (B–E–G♯). Each inversion contains the same chord tones but puts a different note in the bass.
These are reference note spellings in twelve-tone equal temperament, not fixed fingerings. See the keys, hear each voicing, or learn chord spelling.