The City Council shall be the judge of the election and qualifications of its members and of the grounds for forfeiture of their office to the extent not superseded by the laws of the State of Oklahoma. In order to exercise these powers, the Council shall have power to subpoena witnesses, administer oaths and require the production of evidence. A member charged with conduct constituting grounds for forfeiture of office shall be entitled to a public hearing on demand, and notice of such hearing shall be published in one or more newspapers of general circulation in the City at least one week in advance of the hearing. Decisions made by the Council under this section shall be subject to judicial review.