The E-sharp dominant seventh chord (abbreviated "E#7 chord") is a four-note chord consisting of the notes E♯, G, B♯, and D♯. The chord is formed by adding a minor seventh to a E-sharp major chord.
E-sharp dominant seventh chord
E-sharp major-minor seventh chord
E♯ G B♯ D♯
1 3 5 ♭7
Tetrad (four-note chord)