Centerless groups whose automorphisms are all inner — each one canonically isomorphic to its own automorphism group.
| order | group | conjugacy classes | solvable |
|---|---|---|---|
| 6 | D3 #7 | 3 | ✓ |
| 20 | AGL(1,𝔽5) #52 | 5 | ✓ |
| 24 | S4 #71 | 5 | ✓ |
| 42 | AGL(1,𝔽7) #183 | 7 | ✓ |
| 54 | AGL(1,ℤ/9) #270 | 10 | ✓ |
| 110 | AGL(1,𝔽11) #1120 | 11 | ✓ |
| 120 | S5 #1224 | 7 | – |
| 120 | D3×AGL(1,𝔽5) #1226 | 15 | ✓ |
| 144 | AΓL(1,𝔽9) #3839 | 9 | ✓ |
| 144 | D3×S4 #3840 | 15 | ✓ |
| 156 | AGL(1,𝔽13) #3910 | 13 | ✓ |
| 168 | AΓL(1,𝔽8) #4273 | 8 | ✓ |
| 216 | ((C22⋊C9)⋊C2)⋊C3 #6253 | 19 | ✓ |
| 252 | D3×AGL(1,𝔽7) #6987 | 21 | ✓ |
| 272 | AGL(1,𝔽17) #63263 | 17 | ✓ |
| 320 | #66297 | 11 | ✓ |
| 324 | D3×AGL(1,ℤ/9) #66426 | 30 | ✓ |
| 336 | SO(3,𝔽7) #66739 | 9 | – |
| 342 | AGL(1,𝔽19) #66789 | 19 | ✓ |
| 384 | #4626⋊C2 #73101 | 16 | ✓ |
| 384 | #4625⋊C2 #73102 | 16 | ✓ |
| 432 | #6249⋊C2 #88873 | 14 | ✓ |
| 432 | ((C3⋊S4)⋊C3)⋊C2 #88876 | 20 | ✓ |
| 432 | AGL(2,𝔽3) #89087 | 11 | ✓ |
| 480 | AGL(1,𝔽5)×S4 #92113 | 25 | ✓ |
| 486 | AGL(1,ℤ/27) #92186 | 31 | ✓ |
| 500 | AGL(1,ℤ/25) #92532 | 26 | ✓ |
| 506 | AGL(1,𝔽23) #92779 | 23 | ✓ |
| 1296 | #10620184⋊C2 #13049772 | 22 | ✓ |
| 1320 | PGL(2,𝔽11) #13050429 | 13 | – |
| 1440 | PΓL(2,𝔽9) #13089524 | 13 | – |
| 2184 | PGL(2,𝔽13) #72210356 | 15 | – |
| 4896 | PGL(2,𝔽17) #72210361 | 19 | – |
| 5040 | S7 #72210209 | 15 | – |
| 6840 | PGL(2,𝔽19) #72210366 | 21 | – |
| 7920 | M11 #72209634 | 10 | – |
| 12144 | PGL(2,𝔽23) #72210372 | 25 | – |
| 24360 | PGL(2,𝔽29) #72210386 | 31 | – |
| 29760 | PGL(2,𝔽31) #72210389 | 33 | – |
| 40320 | S8 #72210210 | 22 | – |
| 50616 | PGL(2,𝔽37) #72210400 | 39 | – |
| 58968 | PΓL(2,𝔽27) #72224466 | 23 | – |