Significance of Lotus in the navel
The concept of the Lotus in the navel is significant in Purana, representing the origin of Brahma. According to this belief, Brahma was born from a lotus that emerged from the navel of Vishnu. This imagery signifies Brahma's creation, with Vishnu depicted as resting on a lotus which further emphasizes this symbolic representation of divine creation. The lotus serves as a powerful symbol of the interconnection between Vishnu and Brahma in the cosmic order.
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
Hindu concept of 'Lotus in the navel'
In Hinduism, the lotus in the navel symbolizes Brahma's creation from the lotus that emerged from Vishnu's navel, representing divine birth and the interconnectedness of creation and the Supreme Being.
From: Agni Purana
(1) Refers to Brahma’s birth, signifying his creation from Vishnu who is depicted as resting on a lotus emerging from his navel.[1] (2) The origin of Brahma, who was born from the lotus that emerged from the navel of Vishnu.[2]
From: Bhagavata Purana
(1) A symbolic representation of the Lord associated with the creation of Brahma from his navel.[3]