(* Created with the Wolfram Language : www.wolfram.com *)
(Superscript[C, Row[{"(", 1, ")"}]][3, 11]*
   (Superscript[Z, inv][2, 4]*(-3 + 8*Superscript[C, Row[{"(", 0, ")"}]][2, 
        3]*Superscript[Z, inv][2, 3] + 4*Superscript[C, Row[{"(", 0, ")"}]][
        3, 3]*Superscript[Z, inv][3, 3] + 
      8*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*Superscript[Z, inv][3, 4] + 
      4*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*Superscript[Z, inv][3, 5]) + 
    4*(Superscript[C, Row[{"(", 0, ")"}]][2, 3]*Superscript[Z, inv][2, 2]*
       Superscript[Z, inv][3, 4] + 2*Superscript[C, Row[{"(", 0, ")"}]][3, 3]*
       Superscript[Z, inv][2, 3]*Superscript[Z, inv][3, 4] + 
      Superscript[C, Row[{"(", 0, ")"}]][3, 5]*Superscript[Z, inv][2, 5]*
       Superscript[Z, inv][3, 4] + Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
       Superscript[Z, inv][2, 3]*Superscript[Z, inv][4, 4] + 
      Superscript[C, Row[{"(", 0, ")"}]][3, 5]*Superscript[Z, inv][2, 3]*
       Superscript[Z, inv][4, 5])) + 
  2*(4*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
     Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 4]^2 + 
    4*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
     Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 4]*
     Superscript[Z, inv][2, 5] + 2*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
     Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 2]*
     Superscript[Z, inv][4, 4] + 6*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
     Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][2, 4]*
     Superscript[Z, inv][4, 4] + 2*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
     Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][2, 5]*
     Superscript[Z, inv][4, 4] + 2*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
     Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][2, 5]*
     Superscript[Z, inv][4, 4] + 2*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
     Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 2]*
     Superscript[Z, inv][4, 5] + 4*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
     Superscript[C, Row[{"(", 1, ")"}]][4, 11]*Superscript[Z, inv][2, 4]*
     Superscript[Z, inv][4, 5] + 4*Superscript[C, Row[{"(", 0, ")"}]][3, 4]*
     Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][2, 4]*
     Superscript[Z, inv][4, 5] + 4*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
     Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][2, 5]*
     Superscript[Z, inv][4, 5] + 2*Superscript[C, Row[{"(", 0, ")"}]][2, 3]*
     (3*Superscript[C, Row[{"(", 1, ")"}]][2, 11]*Superscript[Z, inv][2, 2]*
       Superscript[Z, inv][2, 4] + Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
       (2*Superscript[Z, inv][2, 4]^2 + Superscript[Z, inv][2, 2]*
         Superscript[Z, inv][4, 4]) + Superscript[C, Row[{"(", 1, ")"}]][5, 
        11]*(2*Superscript[Z, inv][2, 4]*Superscript[Z, inv][2, 5] + 
        Superscript[Z, inv][2, 2]*Superscript[Z, inv][4, 5])) + 
    2*Superscript[C, Row[{"(", 0, ")"}]][3, 3]*
     (Superscript[C, Row[{"(", 1, ")"}]][2, 11]*
       (2*Superscript[Z, inv][2, 3]*Superscript[Z, inv][2, 4] + 
        Superscript[Z, inv][2, 2]*Superscript[Z, inv][3, 4]) + 
      Superscript[C, Row[{"(", 1, ")"}]][4, 11]*
       (2*Superscript[Z, inv][2, 4]*Superscript[Z, inv][3, 4] + 
        Superscript[Z, inv][2, 3]*Superscript[Z, inv][4, 4]) + 
      Superscript[C, Row[{"(", 1, ")"}]][5, 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])) + 
    2*Superscript[C, Row[{"(", 0, ")"}]][3, 5]*
     Superscript[C, Row[{"(", 1, ")"}]][5, 11]*Superscript[Z, inv][2, 4]*
     Superscript[Z, inv][5, 5] + Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
     Superscript[Z, inv][2, 4]*Superscript[Subscript[\[CapitalOmega], 2], 
       Row[{"(", 1, ")"}]][6, 6] + Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
     Superscript[Z, inv][2, 2]*Superscript[Subscript[\[CapitalOmega], 2], 
       Row[{"(", 1, ")"}]][6, 8] + Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
     Superscript[Z, inv][3, 4]*Superscript[Subscript[\[CapitalOmega], 2], 
       Row[{"(", 1, ")"}]][7, 6] + Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
     Superscript[Z, inv][4, 4]*Superscript[Subscript[\[CapitalOmega], 2], 
       Row[{"(", 1, ")"}]][8, 6] + Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
     Superscript[Z, inv][2, 4]*Superscript[Subscript[\[CapitalOmega], 2], 
       Row[{"(", 1, ")"}]][8, 8] + Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
     Superscript[Z, inv][4, 5]*Superscript[Subscript[\[CapitalOmega], 2], 
       Row[{"(", 1, ")"}]][9, 6] + Superscript[C, Row[{"(", 0, ")"}]][1, 11]*
     Superscript[Z, inv][2, 5]*Superscript[Subscript[\[CapitalOmega], 2], 
       Row[{"(", 1, ")"}]][9, 8]))/
 (2*Superscript[C, Row[{"(", 0, ")"}]][1, 11])
