Analysis of information sources in references of the Wikipedia article "사타바하나" in Korean language version.
The Sätavahanas are said to be supporters of Mahayana Buddhism and Brahmanism. A.K. Warder says that Mahāyānism was most prosperous and many stupas, monasteries and caves were built in the Sätavahana empire.
Arguments are put forth trying to prove differently that they were Sudras, Kshatriyas and Brahmins.