E Half-Diminished Seventh (Minor 7♭5)

Chord Tones: E Half-Diminished Seventh (Minor 7♭5)

Symbol: ø7, m7♭5 — Formula: 1-♭3-♭5-♭7

DegreeNoteFrequency (A=440, Equal)
1 E 329.628 Hz
♭3 G 391.995 Hz
♭5 A# 466.164 Hz
♭7 D 293.665 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolEø7
All Common Symbolsø7, m7♭5
Interval Formula1-♭3-♭5-♭7
Harmonic Categorydissonant

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

InversionNotes (low to high)Bass NoteSlash Notation
Root Position E G A# D E E Half-Diminished Seventh (Minor 7♭5)
First Inversion G A# D E G E Half-Diminished Seventh (Minor 7♭5)/G
Second Inversion A# D E G A# E Half-Diminished Seventh (Minor 7♭5)/A#
Third Inversion D E G A# D E Half-Diminished Seventh (Minor 7♭5)/D

Harmonic Function

The E half diminished chord commonly functions as the mediant (iii) in C major or dominant (V) in A major. Its harmonic role varies by key — in major keys it provides stable harmonic grounding.

The half-diminished chord (minor seven flat five) combines a diminished triad with a minor seventh. It is the ii chord in minor keys and an essential sound in jazz and classical harmony.

Common Progressions

The E Half-Diminished Seventh (Minor 7♭5) frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Half-Diminished Seventh (Minor 7♭5)

Well-known songs where the E Half-Diminished Seventh (Minor 7♭5) — or this chord type — plays a prominent role:

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

NoteEqual Temp.PythagoreanJust Intonation
E 329.628 Hz 330.001 Hz 327.032 Hz
G 391.995 Hz 391.111 Hz 392.438 Hz
A# 466.164 Hz 463.538 Hz 470.926 Hz
D 293.665 Hz 293.332 Hz 294.329 Hz

Scales Containing the E Half-Diminished Seventh (Minor 7♭5)

These scales include the E Half-Diminished Seventh (Minor 7♭5) as a diatonic or characteristic chord: