{
  "ring": "R = Z_3[eta]/(eta^2-3 eta) \u2245 {(a,b) in Z_3^2 : a \u2261 b mod 3}",
  "cm_generator": "M = B0 \u2295 R \u2295 B3",
  "modules": {
    "B0": "R/(eta) \u2245 Z_3",
    "R": "node module",
    "B3": "R/(eta-3) \u2245 Z_3"
  },
  "coordinate_maps": {
    "q0": "(a,b) \u21a6 a",
    "q3": "(a,b) \u21a6 b",
    "i0": "x \u21a6 (3x,0)",
    "i3": "x \u21a6 (0,3x)",
    "eta": "(a,b) \u21a6 (0,3b)",
    "3-eta": "(a,b) \u21a6 (3a,0)"
  },
  "composition_relations": {
    "q0 i0": "3 id_B0",
    "q3 i3": "3 id_B3",
    "i0 q0": "3 - eta on R",
    "i3 q3": "eta on R",
    "q0 i3": "0",
    "q3 i0": "0",
    "eta^2": "3 eta",
    "eta i0": "0",
    "q0 eta": "0",
    "eta i3": "3 i3",
    "q3 eta": "3 q3"
  },
  "cm_quiver": {
    "vertices": [
      "B0",
      "R",
      "B3"
    ],
    "arrows": [
      "B0 --i0--> R",
      "R --q0--> B0",
      "B3 --i3--> R",
      "R --q3--> B3"
    ],
    "shape": "B0 <-> R <-> B3"
  },
  "verification_modulus": 81
}