(* Created with the Wolfram Language : www.wolfram.com *)
(4*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
   Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 5]*
   Superscript[Z, inv][4, 4] + 4*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
   Superscript[C, Row[{"(", 1, ")"}]][3, 11]*Superscript[Z, inv][3, 5]*
   Superscript[Z, inv][4, 4] - 3*Superscript[C, Row[{"(", 1, ")"}]][3, 11]*
   Superscript[Z, inv][4, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
   Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 4]*
   Superscript[Z, inv][4, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
   Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 5]*
   Superscript[Z, inv][4, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
   Superscript[C, Row[{"(", 1, ")"}]][3, 11]*Superscript[Z, inv][3, 4]*
   Superscript[Z, inv][4, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
   Superscript[C, Row[{"(", 1, ")"}]][3, 11]*Superscript[Z, inv][3, 5]*
   Superscript[Z, inv][4, 5] + 12*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
   Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][4, 4]*
   Superscript[Z, inv][4, 5] + 8*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
   Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][4, 5]^2 + 
  8*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
   Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][4, 5]^2 + 
  4*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
   Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 4]*
   Superscript[Z, inv][5, 5] + 4*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
   Superscript[C, Row[{"(", 1, ")"}]][3, 11]*Superscript[Z, inv][3, 4]*
   Superscript[Z, inv][5, 5] + 4*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
   Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][4, 4]*
   Superscript[Z, inv][5, 5] + 4*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
   Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][4, 4]*
   Superscript[Z, inv][5, 5] + 12*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
   Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][4, 5]*
   Superscript[Z, inv][5, 5] + 4*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
   (Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][2, 5]*
     Superscript[Z, inv][4, 4] + 2*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
     Superscript[Z, inv][2, 4]*Superscript[Z, inv][4, 5] + 
    2*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][2, 5]*
     Superscript[Z, inv][4, 5] + Superscript[C, Row[{"(", 1, ")"}]][2, 11]*
     (2*Superscript[Z, inv][2, 4]*Superscript[Z, inv][2, 5] + 
      Superscript[Z, inv][2, 2]*Superscript[Z, inv][4, 5]) + 
    Superscript[C, Row[{"(", 1, ")"}]][3, 11]*
     (Superscript[Z, inv][2, 5]*Superscript[Z, inv][3, 4] + 
      Superscript[Z, inv][2, 4]*Superscript[Z, inv][3, 5] + 
      Superscript[Z, inv][2, 3]*Superscript[Z, inv][4, 5]) + 
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][2, 4]*
     Superscript[Z, inv][5, 5]) + 4*Superscript[C, Row[{"(", 0, ")"}]][3, 3]*
   (Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][3, 5]*
     Superscript[Z, inv][4, 4] + 2*Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
     Superscript[Z, inv][3, 4]*Superscript[Z, inv][4, 5] + 
    2*Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][3, 5]*
     Superscript[Z, inv][4, 5] + Superscript[C, Row[{"(", 1, ")"}]][2, 11]*
     (Superscript[Z, inv][2, 5]*Superscript[Z, inv][3, 4] + 
      Superscript[Z, inv][2, 4]*Superscript[Z, inv][3, 5] + 
      Superscript[Z, inv][2, 3]*Superscript[Z, inv][4, 5]) + 
    Superscript[C, Row[{"(", 1, ")"}]][3, 11]*
     (2*Superscript[Z, inv][3, 4]*Superscript[Z, inv][3, 5] + 
      Superscript[Z, inv][3, 3]*Superscript[Z, inv][4, 5]) + 
    Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][3, 4]*
     Superscript[Z, inv][5, 5]) + 2*Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
   Superscript[Z, inv][2, 5]*Superscript[Subscript[\[CapitalOmega], 2], 
     Row[{"(", 1, ")"}]][6, 8] + 2*Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
   Superscript[Z, inv][2, 4]*Superscript[Subscript[\[CapitalOmega], 2], 
     Row[{"(", 1, ")"}]][6, 9] + 2*Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
   Superscript[Z, inv][4, 5]*Superscript[Subscript[\[CapitalOmega], 2], 
     Row[{"(", 1, ")"}]][8, 8] + 2*Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
   Superscript[Z, inv][4, 4]*Superscript[Subscript[\[CapitalOmega], 2], 
     Row[{"(", 1, ")"}]][8, 9] + 2*Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
   Superscript[Z, inv][5, 5]*Superscript[Subscript[\[CapitalOmega], 2], 
     Row[{"(", 1, ")"}]][9, 8] + 2*Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
   Superscript[Z, inv][4, 5]*Superscript[Subscript[\[CapitalOmega], 2], 
     Row[{"(", 1, ")"}]][9, 9])/(2*Superscript[C, Row[{"(", 0, ")"}]][1, 11])
