| K8a9 | Overview | K9a20 | 
| Manifold |  Obstruction index  | 
          Degree of component  | 
         PSL(2,R) | SL(2,C) | Complex volume | |||
|---|---|---|---|---|---|---|---|---|
| K9a8 | 0 | Empty variety | ||||||
| 1 | 15 | -8 | .1923479624343556105 | 0 | .2725655945954366453 i | |||
| -5 | .6843413191885463370 | 0 | .7685811198469536444 i | |||||
| -3 | .2561470432853457033 | -0 | .1998331517846797158 i | |||||
| -1 | .7594210448303060583 | 0 | .4026651518912702816 i | |||||
| -1 | .7364161944527932417 | 0 | .0242408011555879517 i | |||||
| -1 | .5493543308933021329 | 0 | .4614458215965684477 i | |||||
| -1 | .1084927868385937439 | 0 | .1099113026762581061 i | |||||
| X | 0 | -0 | .3892851462583378496 i | |||||
| 1 | .1084927868385937439 | 0 | .1099113026762581061 i | |||||
| 1 | .5493543308933021329 | 0 | .4614458215965684477 i | |||||
| 1 | .7364161944527932417 | 0 | .0242408011555879517 i | |||||
| 1 | .7594210448303060583 | 0 | .4026651518912702816 i | |||||
| 3 | .2561470432853457033 | -0 | .1998331517846797158 i | |||||
| 5 | .6843413191885463370 | 0 | .7685811198469536444 i | |||||
| 8 | .1923479624343556105 | 0 | .2725655945954366453 i | |||||