A stator coil configured to be used in a rotating electrical machine, comprising: three groups of coils, wherein: coils of each of the three groups of coils are configured to be wound continuously upon divided cores with one or more crossover wires (15U2, 15U3, 15U4; 15V2, 15V3, 15V4; 15W2, 15W3, 15W4), in which 2N coils (10a, 10d, 10g, 10j; 10b, 10e, 10h, 10k; 10c, 10f, 10i, 10l), where N is a natural number, are configured to be arranged at approximately regular intervals, wherein a winding direction of N coils (10a, 10d; 10b, 10e; 10c, 10f), which are first through Nth continuously wound coils, of a front half of the 2N coils, and a winding direction of rear half coils (10g, 10j; 10h, 10k; 10i, 10l) which are N+1 th through 2N th continuously wound coils, are opposite; wherein neutral points of the three groups of coils are connected, wherein central crossover wires are connected together at central portions of the three groups of coils with a connection terminal, wherein the central crossover wires each extend from a winding end of an Nth coil to a winding start of a N+1 th coil in each of the three groups of coils and are connected together with the connection terminal at a region where the central crossover wires overlap each other in the three groups of coils that are assembled together; and characterised in that: a portion of a crossover wire (15U3a; 15V3a; 15W3a) that extends directly from a winding end of an Nth coil (10d; 10e; 10f) has a structure where the portion of the crossover wire has been bent towards a core of the Nth coil (10d; 10e; 10f), and a portion of a crossover wire that extends from a winding end of an N+1 th coil (10g; 10h; 10i) has a structure where the portion of the crossover wire has been bent towards a core of the N+1 th coil (10g; 10h; 10i), in each of the three groups of coils, wherein a space is ensured for the connection terminal at the region where the central crossover wires overlap each other. coils of each of the three groups of coils are configured to be wound continuously upon divided cores with one or more crossover wires (15U2, 15U3, 15U4; 15V2, 15V3, 15V4; 15W2, 15W3, 15W4), in which 2N coils (10a, 10d, 10g, 10j; 10b, 10e, 10h, 10k; 10c, 10f, 10i, 10l), where N is a natural number, are configured to be arranged at approximately regular intervals, wherein a winding direction of N coils (10a, 10d; 10b, 10e; 10c, 10f), which are first through Nth continuously wound coils, of a front half of the 2N coils, and a winding direction of rear half coils (10g, 10j; 10h, 10k; 10i, 10l) which are N+1 th through 2N th continuously wound coils, are opposite; wherein neutral points of the three groups of coils are connected, wherein central crossover wires are connected together at central portions of the three groups of coils with a connection terminal, wherein the central crossover wires each extend from a winding end of an Nth coil to a winding start of a N+1 th coil in each of the three groups of coils and are connected together with the connection terminal at a region where the central crossover wires overlap each other in the three groups of coils that are assembled together; and characterised in that: a portion of a crossover wire (15U3a; 15V3a; 15W3a) that extends directly from a winding end of an Nth coil (10d; 10e; 10f) has a structure where the portion of the crossover wire has been bent towards a core of the Nth coil (10d; 10e; 10f), and a portion of a crossover wire that extends from a winding end of an N+1 th coil (10g; 10h; 10i) has a structure where the portion of the crossover wire has been bent towards a core of the N+1 th coil (10g; 10h; 10i), in each of the three groups of coils, wherein a space is ensured for the connection terminal at the region where the central crossover wires overlap each other.