Changing Reg Point

I am just playing with maya slowly learning the program.

I think i am doing well but I was wandering how could i change a registration point of an object.

What I have done is I position my object, then i created a group and when i try to movie it wants to move from point 0,0,0 and i need it to be more were i set it up.

any idea how to do this

Thanks

if registration point is pivot then hit d (or insert for amore persisten way of doing this but i suggest

Thanks
and I will remember that the registrashon is the pibot