16 z m^2 (m^2 + 1) D[NevilleThetaC[z, m], {m, 2}] D[NevilleThetaC[z, m], z] + 4 z^2 m D[NevilleThetaC[z, m], z]^2 + 4 z m^2 D[NevilleThetaC[z, m], z, m] D[NevilleThetaC[z, m], {z, 2}] + (m - 1) NevilleThetaC[z, m]^2 - D[NevilleThetaC[z, m], {z, 2}]^2 + 2 (m - 1) D[NevilleThetaC[z, m], m] (2 z ((9 m - 5) D[NevilleThetaC[z, m], z] - 4 (m - 1) m D[NevilleThetaC[z, m], z, m]) + 5 D[NevilleThetaC[z, m], {z, 2}]) m - 24 (m - 1)^2 m^2 D[NevilleThetaC[z, m], m]^2 - 4 m^2 z^2 D[NevilleThetaC[z, m], z]^2 - 32 m^3 z D[NevilleThetaC[z, m], {m, 2}] D[NevilleThetaC[z, m], z] - 4 m z D[NevilleThetaC[z, m], z, m] D[NevilleThetaC[z, m], {z, 2}] + 2 (m - 1) NevilleThetaC[z, m] (D[NevilleThetaC[z, m], {z, 2}] + m (4 m D[NevilleThetaC[z, m], m] + 2 (m - 1) (2 m D[NevilleThetaC[z, m], {m, 2}] - z D[NevilleThetaC[z, m], z, m]) - D[NevilleThetaC[z, m], {z, 2}, m])) - 4 (m - 1) m z D[NevilleThetaC[z, m], z] D[NevilleThetaC[z, m], {z, 2}, m] == 0

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