Here are the natural modes associated with some common positions. First position is a major scale. The mode name for the major scale is called Ionian . Second position is a major scale variant with a flatted 7th. The mode is called Mixolydian .
Third position is a minor scale.
There is more than one minor scale, and the mode for this one is called Dorian . Fourth position is the natural minor scale whose mode is called Aeolian . Fifth position is another type of minor scale. The mode for this one is called Phrygian . Sixth position has a sort of major scale feel and is called Locrian .