point_group_data

point_group_data(key, n=None, prop=None, **etc): 

LLM Docstring

Look up fixed-size or parametrized point-group generators and optionally evaluate one requested property.

• key: object

  Point-group family key or fixed group name.

• n: object

  Group order or problem size used to construct the requested representation. Defaults to None.

• prop: object

  Value used as prop by the implementation. Defaults to None.

• etc: dict

  Additional keyword options forwarded to the selected constructor, generator, or plotting backend.

• :returns: dict | object | None

  The group-data mapping, a generated property, or None for an unavailable property.