In these examples, note the lower arpeggio is dominant and the higher arpeggio is major.
G7 arpeggio plus
A major arpeggio = G13b5
(G, B, D, F) (A, C#, E)
(1, 3, 5, b7) (9, b5, 13)
G7 arpeggio plus
E major arpeggio = G13b9
(G, B, D, F) (E, G#, B)
(1, 3, 5, b7) (13, b9, 3)
G7 arpeggio plus
Db major arpeggio = G7b9
(G, B, D, F) (Db, F, Ab)
(1, 3, 5, b7) (b5, %7, b9)