piano scale
G♯ natural minor
G♯1A♯2B♭3C♯4D♯5E♭6F♯♭7
The major scale started from its sixth degree: same seven notes, a different centre of gravity.
The same sounds spelled from the other side are A♭ natural minor.
Written out
Every accidental is written in, rather than left to a key signature, so the letters can be read one at a time.
The step pattern
G♯WA♯HBWC♯WD♯HEWF♯WG♯
What is true of it
G♯ natural minor is G♯, A♯, B, C♯, D♯, E and F♯, and back to G♯.
Its steps are W – H – W – W – H – W – W, where W is a whole step and H a half.
On the same tonic, G♯ harmonic minor differs from it by exactly one note.
Chords made only of these notes
C♯mminorC♯m7minor seventhD♯mminorD♯m7minor seventhEmajorEmaj7major seventhF♯majorF♯7dominant seventh
Found by testing every chord in the catalogue against these 7 sounds, not chosen.