G♯ (musical note)

G♯ (G-sharp) or sol dièse is the ninth semitone of the solfège. In the German pitch nomenclature, it is known as gis.

It lies a chromatic semitone above G and a diatonic semitone below A, thus being enharmonic to la bémol or A♭ (A-flat).

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the G♯ semitone is approximately 415.305 Hz. See pitch (music) for a discussion of historical variations in frequency.

The notes A♭ and G♯ are the only notes to have only one enharmonic, since they cannot be reached in any other way by a single or double sharp or a single or double flat from any of the seven white notes.

Common scales beginning on G♯

 * G♯ major: G♯ A♯ B♯ C♯ D♯ E♯ F G♯
 * G♯ natural minor: G♯ A♯ B C♯ D♯ E F♯ G♯
 * G♯ harmonic minor: G♯ A♯ B C♯ D♯ E F G♯
 * G♯ melodic minor Ascending: G♯ A♯ B C♯ D♯ E♯ F G♯
 * G♯ melodic minor descending: G♯ F♯ E D♯ C♯ B A♯ G♯

Diatonic scales

 * G♯ Ionian: G♯ A♯ B♯ C♯ D♯ E♯ F G♯
 * G♯ Dorian: G♯ A♯ B C♯ D♯ E♯ F♯ G♯
 * G♯ Phrygian: G♯ A B C♯ D♯ E F♯ G♯
 * G♯ Lydian: G♯ A♯ B♯ C D♯ E♯ F G♯
 * G♯ Mixolydian: G♯ A♯ B♯ C♯ D♯ E♯ F♯ G♯
 * G♯ Aeolian: G♯ A♯ B C♯ D♯ E F♯ G♯
 * G♯ Locrian: G♯ A B C♯ D E F♯ G♯

Jazz melodic minor

 * G♯ ascending melodic minor: G♯ A♯ B C♯ D♯ E♯ F G♯
 * G♯ Dorian ♭2: G♯ A B C♯ D♯ E♯ F♯ G♯
 * G♯ Lydian augmented: G♯ A♯ B♯ C D E♯ F G♯
 * G♯ Lydian dominant: G♯ A♯ B♯ C D♯ E♯ F♯ G♯
 * G♯ Mixolydian ♭6: G♯ A♯ B♯ C♯ D♯ E F♯ G♯
 * G♯ Locrian ♮2: G♯ A♯ B C♯ D E F♯ G♯
 * G♯ altered: G♯ A B C D E F♯ G♯