API Reference# Core functions Summary Functions for (magnetic) crystal structure Functions for (magnetic) space-group symmetry operations Functions for (magnetic) crystallographic point-group symmetry operations Linear representation Space group get_spacegroup_irreps() get_spacegroup_irreps_from_primitive_symmetry() Crystallographic point group get_crystallographic_pointgroup_irreps_from_symmetry() Spin representation Space group get_spacegroup_spinor_irreps() get_spacegroup_spinor_irreps_from_primitive_symmetry() Crystallographic point group get_crystallographic_pointgroup_spinor_irreps_from_symmetry() Group get_cayley_table() get_identity_index() get_inverse_index() get_order() is_matrix_group() get_factor_system_from_little_group() get_little_group() check_cocycle_condition() decompose_by_maximal_space_subgroup() Point group get_pointgroup_chain_generators() Transformation transform_symmetry_and_kpoint() get_primitive_transformation_matrix() Representation get_regular_representation() get_projective_regular_representation() get_intertwiner() get_character() project_to_irrep() is_unitary() is_representation() frobenius_schur_indicator() check_spacegroup_representation() get_direct_product() Irreps enumerate_small_representations() enumerate_unitary_irreps() enumerate_unitary_irreps_from_regular_representation() decompose_representation() enumerate_unitary_irreps_from_solvable_group_chain() get_physically_irrep() is_equivalent_irrep() Spinor enumerate_spinor_small_representations() get_spinor_factor_system() get_spinor_unitary_rotation() Co-representation enumerate_spinor_small_corepresentations() get_corep_spinor_factor_system() Tensor get_symmetry_adapted_tensors() apply_intrinsic_symmetry() Utility functions grassmann_distance()