C#m7♭5 chord on 4-String Bass – Low C
in Low C (C-A-D-G) tuning
C#m7♭5
Half-Diminished
Notes:C# · E · G · B
Piano Left hand Right hand
Fingerings (6)
C#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 1 2 2 0 | 1 2 3 – | C# B E G | easy | |
| 4 2 5 6 | 2 1 3 4 | E B G C# | hard | |
| 4 4 5 4 | 1 1 2 1 | E C# G B | easy · barre on fret 4 | |
| 7 7 9 6 | 2 3 4 1 | G E B C# | medium | |
| 11 7 11 0 | 2 1 3 – | B E C# G | hard | |
| 11 10 11 9 | 3 2 4 1 | B G C# E | medium |
The C#m7♭5 chord (Half-Diminished) is built from the notes C#, E, G, B. Below are playable fingerings for 4-String Bass – Low C generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the C#m7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C# |
| ♭3 | 3 | E |
| ♭5 | 6 | G |
| ♭7 | 10 | B |
More C# chords
Other roots
See C#m7♭5 in another tuning
What notes make up the C#m7♭5 chord?
C#m7♭5 is a Half-Diminished chord built from the notes C#, E, G, B.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.