e minor
The relative minor key of G major is E minor.
The relative minor to G Major is E minor.
The corresponding minor key to G Major is e minor. The key signature will be the same, one sharp: F#.
G minor
The key of G-sharp minor has 5 sharps (it's the relative to B major). G-flat minor is a key that only exists in theory, because that key signature would contain 9 flats. The limit on flats or sharps in a key is 7.
The subdominant note in a key is the 4th. In G minor, it's C.
The key is in G# minor.
The relative major of G-sharp minor is B major. This relationship is established because the relative major key is a minor third above the minor key, which in this case means that B major shares the same key signature (five sharps) as G-sharp minor.
The chords in the key of A minor are: Am, Bdim, C, Dm, Em, F, and G.
The relative major key of E minor is G major.
The relative major key to E minor is G major.
The key of E minor has one sharp: F sharp. It is the relative minor of G Major.