Mode
C# Aeolian
The C# Aeolian mode (also written Db) — C# D# E F# G# A B — shown across the guitar neck.
Also written Db Aeolian. Db and C# are the same pitch, though spelling it from Db would need double accidentals (Db Eb Fb Gb Ab Bbb Cb), which is why C# is the name in use.
Swipe the neck sideways to see the higher frets.
C# Aeolian is the natural minor — same seven notes, same order. The mode name describes which chord you treat as home, not a different set of notes.
Notes
C# D# E F# G# A B
Intervals
1 2 b3 4 5 b6 b7
Parent scale
E Major
Degree of parent
6
The tool shows this from its parent key, E major, with C# marked as where Aeolian begins, the same seven notes centered on E.