Coven number of persons involved may vary. Although some consider thirteen to be ideal (probably in deference to Murray's theories), any group of at least three can be a coven. A group of two is usually called a "working couple" (regardless of the sexes). Within the community, many believe that a coven larger than thirteen is unwieldy, citing unwieldy group dynamics and an unfair burden on the leadership. When a coven has grown too large to be manageable, it may split, or "hive". In Wicca, this may also occur when a newly made High Priest or High Priestess, also called 3rd
Coven covens to take this route is the Coven of the Far Flung Net (CFFN), which was established in 1998 as the online arm of the Church of Universal Eclectic Wicca. However, because of potentially-unwieldy membership sizes, many online covens limit their memberships to anywhere between 10 and 100 students. The CFFN, in particular, tried to devolve its structure into a system of sub-coven clans (which governed their own application processes), a system which ended in 2003 due to fears by the CFFN leadership that the clans were becoming communities in their own right. The Urban Coven is a group founded