4-7, (0145): Hexatonic-4
   
Interval-content vector <201210>
Distance (32/4)*

the minimum Euclidean distance from this set to any transposition of the perfectly even 4 note chord, in semitones

Ancohemitonic chromatic-cluser-free
Atritonic set contains no tritones
Hemitonic set contains one or more semitones
Symmetric the inverse of this set is the same set