Power transmission and method for operating same

The drive train comprises an internal combustion engine (1) and an electric machine (2) having a drive unit (3), where dual clutch transmission (5) is connected between the drive unit and an output (4). The double clutch (8) has a separating clutch (14) that is connected between the internal combustion engine and the parallel-connected power shift clutches (9,10). An independent claim is also included for a method for operating a drive train.