| ε | Equilibrium points (G, I, β) | Stability |
| 1 | (600, 0, 0) | Stable |
| (100, 14.7, 441) | Stable | |
| (250, 7.2, 95) | Unstable | |
| 0 | (600, 0, 0) | Unstable |
| (72, 18.5, 900) | Stable | |
| 0.5 | (600, 0, 0) | Stable |
| (90, 16, 550.3) | Stable | |
| (272, 6.6, 83.75) | Unstable |