F0⁡(η,2⁢η)3-1/2⁢G0⁡(η,2⁢η)∼Γ⁡(13)⁢ω1/22⁢π⁢(1∓235⁢Γ⁡(23)Γ⁡(13)⁢1ω4-82025⁢1ω6∓579246 06875⁢Γ⁡(23)Γ⁡(13)⁢1ω10-⋯),