- #1
Yoran91
- 37
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Hello everyone,
I read in Edmond's 'Angular momentum in Quantum Mechanics' that the symmetry group of the 9j symbol is isomorphic to the group [itex]S_3 \times S_3 \times S_2[/itex].
Why is this? Can anyone shed some light on this?
I read in Edmond's 'Angular momentum in Quantum Mechanics' that the symmetry group of the 9j symbol is isomorphic to the group [itex]S_3 \times S_3 \times S_2[/itex].
Why is this? Can anyone shed some light on this?