Gdim arpeggio
G
G1
G#
A
A#b3
B
C
C#b5
D
D#
E
F
F#
G1
C
C
C#b5
D
D#
E
F
F#
G1
G#
A
A#b3
B
C
E
E
F
F#
G1
G#
A
A#b3
B
C
C#b5
D
D#
E
A
A
A#b3
B
C
C#b5
D
D#
E
F
F#
G1
G#
A
3
5
7
10
The Gdim arpeggio has the formula 1, b3, b5 with notes G, A#, C#
It is based on the G diminished chord.