T dagger Gate The conjugate transpose of the T gate, the T†T^{\dagger}T† gate is defined by: T†=(100exp(−iπ4))T^{\dagger} = \begin{pmatrix} 1 & 0 \ 0 & \exp \left ( \frac{-i \pi}{4} \right ) \end{pmatrix}T†=(100exp(4−iπ))