The Paragnostic Society is the scholarly center of the Church, both conducting original research and providing educational services to other societies, orders, and fellowships. While its mastery over magic is dwarfed by the relentless Arcane Congress, its understanding of the cosmology of Eberron is comparable. The head is Farimal Klavarin, an older elf who's served as the Cardinal of the Paragnostic Society for the last two centuries.
Source: Politics of Thrane