Explanation:
NameSymbol(s) (on C)
ShortLong
Augmented-major seventh (major seventh sharp five)C+M7 C+ΔCaugmaj7
Augmented seventh (dominant seventh sharp five)C+7Caug7
Half-diminished seventh (minor seventh flat five)Cø Cø7Cmin7dim5
can you rephrase the question? was there a picture to go along with it?