D 7th chord

D7 chord for piano with keyboard diagram.
Explanation: The D seventh is a dominant four-note chord. You can see the four notes of the D seventh chord marked in red color. The chord is often abbreviated as D7.
Omissions: D7(no3): D - A - C; D7(no5): D - F# - C.
Theory: The D seventh chord is constructed with a root, a major third, a perfect fifth and a minor seventh.
Fingerings: Little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).

D7

Notes: D - F# - A - C
Left hand: 5-3-2-1
Right hand: 1-2-3-5

D7 - inversions

Explanation: The images below show the three inversions of the D dominant seventh chord. D7/F# is a D dominant seventh with F# as the bass note, D7/A is a D dominant seventh with A as the bass note and D7/C is a D dominant seventh with C as the bass note.

D7/F#

1st inversion

D7/A

2nd inversion

D7/C

3rd inversion