The F# minor chord is a triad consisting of three notes: F#, A, and C#. It is classified as a minor chord because it has a minor third interval between the root note F# and the second note A, and a perfect fifth interval between F# and C#. This chord is commonly used in various music genres, adding a somber or melancholic tone. In music notation, the F# minor chord can be represented in different ways, such as in root position or inversions. It is often found in compositions that require emotional depth, making it a popular choice for songwriters and composers.