E m3/D#
The E m3 chord consists of the E (Perfect unison) and G (Minor third) notes, with D# as the bass note.

How to play the E m3/D# chord
- Play D# as the lowest bass note in the left hand
- Find E (Root) on the piano keyboard
- Add G (Minor third) — 3 semitones above E
- Press all 3 notes simultaneously to sound the E m3/D# chord