六群比丘

The six common-herd (sa) bhikṣus, to whose improper or evil conduct is attributed the laying down of many of the laws by Śākyamuni; also 六衆; different lists of names are given, the generally accepted list indicating Nanda, Upananda, Aśvaka, Punarvasu, Chanda, and Udāyin. Udāyin is probably Kalodayin, a name given in other lists.