A Dorian mode
A B C D E F♯ G
Formula: 1 2 ♭3 4 5 6 ♭7
A minor scale with a major 6th, the note that sets it apart from natural minor. The sound of the minor ii chord and of modal vamps.
It has the same notes as G major, starting from A.
On the neck, frets 0 to 12
The 1st string (high e) is at the top, as in the app. The root is filled.
Open it in the app: 3. Scales & Modes, in A
The Dorian mode in other keys