From: Precise certification of a qubit space
j
1
2’
3’
4’
5’
2”
3”
4”
5”
α
0
2π/3
4π/3
η − π
η + 5π/3
η + π/3
β
π/6
−π/6
π
−2π/3
k
1’
1”
θ
5π/3
π/3
π/2
7π/6
ϕ
5π/6