Twenty-four images of Vishnu in according to the Rupamaṇdana.1

Upper right hand: Padma
Lower right hand: Śaṅkha
Padmanābha — whose Navel is the Lotus
Upper left hand: Chakra
Lower left hand: Gadā
  1. Gupte, R. S., Iconography of the Hindus Buddhists and Jains, 1972, p. 97