A Ionian

The A Ionian mode is the same as the A Major Scale

A Dorian

A Dorian is the same as the A Aeolian mode (A natural minor scale) except for its raised, or natural, 6th tone

A Phrygian mode is the same as the A Aeolian mode (A natural minor scale) except for its lowered 2nd tone

A Lydian mode is the same as the A Ionian mode (A major scale) except for its raised 4th tone

A Mixolydian mode is the same as the A Ionian mode (A major scale) except for its lowered 7th tone

A Aeolian mode is also known as the A minor scale

A Locrian mode is the same as the A Aeolian mode (A natural minor scale) except for its lowered 2nd and 5th tones