Mine are all setup on the ctrl+a then command setup:
Dummies guide to linux screen
COMMAND FUNCTION
ctrl+a A name window
ctrl+a c new window
ctrl+a n next window
ctrl+a ” list windows
ctrl+a S split horizontal
ctrl+a | split vertival
ctrl+a X remove region
ctrl+a tab move between regions
ctrl+a d detach screen from terminal so you can reconnect
ctrl+a ? show key bindings / command names