Describe symbolism in The Virgin Suicides by Jeffrey Eugenides

Religious symbols play an important role in the story of the Lisbon girls. Mrs. Lisbon, the girls' mother, is a deeply religious character who imposes her will onto the rest of the family. The girls are not allowed to wear any makeup or to wear revealing pieces of clothes. They are only allowed out of the house to attend school during the week or church on Sundays. Her belief on the dogmas of the Catholic faith is represented by the image of Virgin Mary printed on a plastic card.