title: Heptad
text: # Heptad
  
  Heptad ('group of 7') or heptade may refer to:
  
  * Heptad (chord), heptachord in music (set)
  * Heptad (computing), a group of 7 bits in computing
  * Heptad repeat, a structural motif in proteins
  * L'Heptade, an album by Harmonium in 1976
  