Root on A string
no fifthx7676x
E7♭9 is the E dominant 7 flat 9 chord. Its notes are E, G♯, B, D and F. A compact four-finger grip without the fifth. Try it as V in a minor key.
x7676x
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every E, G♯, B, D and F on the first 12 frets. The filled dots are the root, E. Build your own shape from any nearby group.
Other E chords
Other dominant 7 flat 9 chords