§ 31.19 QUORUM ESTABLISHED.
   A majority of the council shall constitute a quorum to do business. A small number, however, may adjourn from time to time and may compel the attendance of absentees under penalties (including a fine for a failure to attend) prescribed by the council by ordinance.
(ILCS Ch. 65, Act 5, § 3.1-40-20) ('69 Code, § 2-58)