root position: C#7
C♯ – E♯ – G♯ – B
C#7 Piano Chord
The C sharp dominant 7 chord (C♯7) is made of the notes C♯, E♯, G♯ and B. Its formula is 1 – 3 – 5 – ♭7.
Notes in C♯7
| Note | Formula | Interval from root |
|---|---|---|
| C♯ | 1 | root |
| E♯ | 3 | major 3rd |
| G♯ | 5 | perfect 5th |
| B | ♭7 | minor 7th |
How to play C♯7 on piano
- Right hand: fingers 1-2-3-5
- Left hand: fingers 5-3-2-1
Fingers are numbered from the thumb (1) to the little finger (5).
C♯7 inversions
1st inversion: C#7/E#
E♯ – G♯ – B – C♯
2nd inversion: C#7/G#
G♯ – B – C♯ – E♯
3rd inversion: C#7/B
B – C♯ – E♯ – G♯
Other names for C#7
C♯7 is also written as C♯7, C#dom7, C♯dom7, Db7, D♭7, Dbdom7, D♭dom7.