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C diminished seventh arpeggio for guitar (Cdim7)

Notes, positions, and fretboard fingerings for the C diminished seventh arpeggio (Cdim7): C · D# · F# · A.

Instrument
Root
Chord
Triads
Sevenths
Position (CAGED)
Frets15
1224
Chord
Cdim7
CD#F#A
E
B
G
D
A
E
F#ACD#F#CD#F#ACACD#F#AD#F#ACD#ACD#F#ACF#ACD#F#35791512
Scroll horizontally to see the whole fretboard

Legend

C
Root
· R
D#
Third
· ♭3
F#
Fifth
· ♭5
A
Seventh
· ♭♭7

Arpeggio sheet

Cdim7
Formula (degrees)
R ♭3 ♭5 ♭♭7
Notes in key
C D# F# A
Typical use
Diminished passing sound and resolving dominants.
See the Cdim triad →

C diminished seventh

The C diminished seventh arpeggio is made up of: C · D# · F# · A.

The diminished seventh arpeggio: four stacked minor thirds, a symmetric passing sound used over diminished chords and resolving dominants.