The relative major to C minor is E-flat major.
"That would be A minor. Go a minor third below the tonic of the major scale to find the relative minor." Technically, there is no relative harmonic major to the key of C Major. The relative minor scale of C Major would the natural minor scale of A. A harmonic minor scale raises the 7th note of the scale a half step, giving us G#, which is not in the key of C Major.
In A harmonic minor, there is just one sharp (G sharp).
The relative minor key of C major is A minor, and the relative major key of A minor is C major.
The relative major to c minor is Eb major.
The relative minor of the major key of C major is A minor.
The relative minor key of C major is A minor.
The relative minor key of C major is A minor.
The major key of the C major scale is C major, and the relative minor key is A minor.
The relative minor of E major is C# minor.
The relative minor of C major is A minor, and the relative majors of C major are G major and F major.
The relative major key of C minor is E flat major.
The relative major of the key of C minor is E flat major.