How do the mechanics of fusing Necrozma work - Generation 7 - Project Pokemon Forums

For example: Let's say I have a Jolly 31/31/31/0/31/31 Necrozma, and an Adamant 1/12/31/31/31/21 Solgaeo. Does it use Necrozma's spread or is there some other formula? Thank you for any help.

Pokemon 6791 Shiny Solgaleo Null Pokedex: Evolution, Moves, Location, Stats

usum] Pokemon Ultra Sun and Ultra Moon Announced! - Page 6 - Generation 7 - Project Pokemon Forums

i tried making necrozma fusions

Cosmog (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia

Project - AG What're Their Lasts? [On Hiatus]

Unreleased/Beta PKM Gallery - Project Pokemon Forums

Dhelmise (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia

usum] Pokemon Ultra Sun and Ultra Moon Announced! - Page 6 - Generation 7 - Project Pokemon Forums

Pokémon in 5th Edition, PDF, Pokémon