-- eta relations --
g1:=e7^8-e1^7*e49-7*e1^3*e7^4*e49-7*e1^6*e49^2-35*e1^2*e7^4*e49^2-21*e1^5*e49^3-49*e1*e7^4*e49^3-49*e1^4*e49^4-147*e1^3*e49^5-343*e1^2*e49^6-343*e1*e49^7;
-- Somos eta relations --
x49_8_56:=-e7^8+e1^7*e49+7*e1^3*e7^4*e49+7*e1^6*e49^2+35*e1^2*e7^4*e49^2+21*e1^5*e49^3+49*e1*e7^4*e49^3+49*e1^4*e49^4+147*e1^3*e49^5+343*e1^2*e49^6+343*e1*e49^7;
-- Relation relations --
relationRelations := [_
x49_8_56+g1];