As you can see from the diagram, this note requires the use of all three fingers. Don't froget that C sharp can also be called D falt.
This traditional English song is in ) time and uses the note C# as well as C@. It also contains both Bb and B@. Notice the grouping of the dotted eighth note with a sixteenth note.
By now you should be used to the idea of more than one note being played with the same fingering. This C# note uses the same fingering as Eb. Here is an exercise to help you become familiar with this note as well as its enharmonic equivalent Db