The chord G# that is shown here contains the notes: G#, D#, C. The root of the chord is G#. The scale from which the chord is derived is Major, and the degrees of the scale are: 1, 3, 5.
To play the chord G# shown above, place your fingers as follows:
On string number 6 (the thickest), on fret number 4 with finger number 1 (index finger)
On string number 5, on fret number 6 with finger number 3 (ring finger)
On string number 4, on fret number 6 with finger number 4 (pinky)
On string number 3, on fret number 5 with finger number 2 (middle finger)
On string number 2, on fret number 4 with finger number 1 (index finger)
On string number 1 (the thinnest), on fret number 4 with finger number 1 (index finger)
Finger numer 1 presses multiple strings as a barre.