etaRelations:=[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];