Query:
/api/ec_classdata/?_offset=0
{'anlist': [0, 1, 0, 0, 0, 0, 0, -2, 0, 0, 0, -3, 0, 2, 0, 0, 0, 3, 0, 1, 0], 'aplist': [0, 0, 0, -2, -3, 2, 3, 1, -6, -6, 4, -4, -9, 1, -6, -12, 3, 8, -5, -12, 11, 4, 12, -6, 5], 'class_deg': 21, 'class_size': 4, 'conductor': 1296, 'id': 3463, 'isogeny_matrix': [[1, 3, 21, 7], [3, 1, 7, 21], [21, 7, 1, 3], [7, 21, 3, 1]], 'lmfdb_iso': '1296.f', 'trace_hash': 65372923418112730}