Fraternities and Sororities. Alpha Chi Omega (AXO) http://www.alphachiomega. org/ Alpha Chi Omega prides itself on maintaining 5 standards: academic interest. Sorority and Fraternity Life More than 10% of all undergraduate Aggies belong to one of the 65 sororities and fraternities registered at UC Davis. Explore the Greek Life website to learn how being Greek benefits students at Davis and beyond, and how Greeks support the University and city community. Fraternities…