| output gate | \gamma_\rho | N | distance | cited |
|---|---|---|---|---|
| \mathrm{T}_{0}\cdot \mathrm{T}_{1}\cdot \mathrm{T}_{2}\cdot \mathrm{T}_{3}\cdot \mathrm{T}_{4}\cdot \mathrm{T}_{5} pure T | 2.115 | 9 | d = 2 | Bravyi & Haah (2012) |
| \mathrm{T}_{0}\cdot \mathrm{CS}_{12}\cdot \mathrm{CCZ}_{345} | 2.700 | 9 | d = 2 | Singh et al. (2026) |
| \mathrm{T}_{0}\cdot \mathrm{T}_{1}\cdot \mathrm{T}_{2}\cdot \mathrm{CCZ}_{345} | 2.379 | 9 | d = 2 | Singh et al. (2026) |
These factories share n, k and d but prepare different magic states. No CNOT circuit with S, Z and CZ corrections turns one of these gates into another.
Nearest lengths with the same k and d: [\![24,\,6,\,2]\!] · [\![28,\,6,\,2]\!] · [\![14,\,6,\,2]\!] · [\![42,\,6,\,2]\!] · [\![46,\,6,\,2]\!] · [\![52,\,6,\,2]\!] · [\![56,\,6,\,2]\!] · [\![58,\,6,\,2]\!] · [\![60,\,6,\,2]\!] · [\![105,\,6,\,2]\!] · [\![106,\,6,\,2]\!] · [\![114,\,6,\,2]\!]