| extension | φ:Q→Aut N | d | ρ | Label | ID |
| C28.1D4 = C14.D8 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.1D4 | 224,15 |
| C28.2D4 = C14.Q16 | φ: D4/C2 → C22 ⊆ Aut C28 | 224 | | C28.2D4 | 224,16 |
| C28.3D4 = C7⋊D16 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | 4+ | C28.3D4 | 224,32 |
| C28.4D4 = D8.D7 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | 4- | C28.4D4 | 224,33 |
| C28.5D4 = C7⋊SD32 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | 4+ | C28.5D4 | 224,34 |
| C28.6D4 = C7⋊Q32 | φ: D4/C2 → C22 ⊆ Aut C28 | 224 | 4- | C28.6D4 | 224,35 |
| C28.7D4 = D4⋊Dic7 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.7D4 | 224,38 |
| C28.8D4 = C28.D4 | φ: D4/C2 → C22 ⊆ Aut C28 | 56 | 4 | C28.8D4 | 224,39 |
| C28.9D4 = Q8⋊Dic7 | φ: D4/C2 → C22 ⊆ Aut C28 | 224 | | C28.9D4 | 224,41 |
| C28.10D4 = C28.10D4 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | 4 | C28.10D4 | 224,42 |
| C28.11D4 = D14⋊2Q8 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.11D4 | 224,92 |
| C28.12D4 = C8⋊D14 | φ: D4/C2 → C22 ⊆ Aut C28 | 56 | 4+ | C28.12D4 | 224,103 |
| C28.13D4 = C8.D14 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | 4- | C28.13D4 | 224,104 |
| C28.14D4 = C2×D4⋊D7 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.14D4 | 224,126 |
| C28.15D4 = D4.D14 | φ: D4/C2 → C22 ⊆ Aut C28 | 56 | 4 | C28.15D4 | 224,127 |
| C28.16D4 = C2×D4.D7 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.16D4 | 224,128 |
| C28.17D4 = C28.17D4 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.17D4 | 224,131 |
| C28.18D4 = C2×Q8⋊D7 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.18D4 | 224,136 |
| C28.19D4 = C28.C23 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | 4 | C28.19D4 | 224,137 |
| C28.20D4 = C2×C7⋊Q16 | φ: D4/C2 → C22 ⊆ Aut C28 | 224 | | C28.20D4 | 224,138 |
| C28.21D4 = Dic7⋊Q8 | φ: D4/C2 → C22 ⊆ Aut C28 | 224 | | C28.21D4 | 224,139 |
| C28.22D4 = D14⋊3Q8 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.22D4 | 224,141 |
| C28.23D4 = C28.23D4 | φ: D4/C2 → C22 ⊆ Aut C28 | 112 | | C28.23D4 | 224,142 |
| C28.24D4 = D112 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | 2+ | C28.24D4 | 224,5 |
| C28.25D4 = C112⋊C2 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | 2 | C28.25D4 | 224,6 |
| C28.26D4 = Dic56 | φ: D4/C4 → C2 ⊆ Aut C28 | 224 | 2- | C28.26D4 | 224,7 |
| C28.27D4 = C28⋊2Q8 | φ: D4/C4 → C2 ⊆ Aut C28 | 224 | | C28.27D4 | 224,64 |
| C28.28D4 = C4.D28 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | | C28.28D4 | 224,70 |
| C28.29D4 = C2×C56⋊C2 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | | C28.29D4 | 224,97 |
| C28.30D4 = C2×D56 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | | C28.30D4 | 224,98 |
| C28.31D4 = C2×Dic28 | φ: D4/C4 → C2 ⊆ Aut C28 | 224 | | C28.31D4 | 224,100 |
| C28.32D4 = C28⋊C8 | φ: D4/C4 → C2 ⊆ Aut C28 | 224 | | C28.32D4 | 224,10 |
| C28.33D4 = Dic14⋊C4 | φ: D4/C4 → C2 ⊆ Aut C28 | 56 | 2 | C28.33D4 | 224,11 |
| C28.34D4 = C56.C4 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | 2 | C28.34D4 | 224,25 |
| C28.35D4 = D56⋊7C2 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | 2 | C28.35D4 | 224,99 |
| C28.36D4 = C7×D16 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | 2 | C28.36D4 | 224,60 |
| C28.37D4 = C7×SD32 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | 2 | C28.37D4 | 224,61 |
| C28.38D4 = C7×Q32 | φ: D4/C4 → C2 ⊆ Aut C28 | 224 | 2 | C28.38D4 | 224,62 |
| C28.39D4 = C7×C4.4D4 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | | C28.39D4 | 224,159 |
| C28.40D4 = C7×C4⋊Q8 | φ: D4/C4 → C2 ⊆ Aut C28 | 224 | | C28.40D4 | 224,163 |
| C28.41D4 = C14×D8 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | | C28.41D4 | 224,167 |
| C28.42D4 = C14×SD16 | φ: D4/C4 → C2 ⊆ Aut C28 | 112 | | C28.42D4 | 224,168 |
| C28.43D4 = C14×Q16 | φ: D4/C4 → C2 ⊆ Aut C28 | 224 | | C28.43D4 | 224,169 |
| C28.44D4 = C28.44D4 | φ: D4/C22 → C2 ⊆ Aut C28 | 224 | | C28.44D4 | 224,22 |
| C28.45D4 = C2.D56 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | | C28.45D4 | 224,27 |
| C28.46D4 = C28.46D4 | φ: D4/C22 → C2 ⊆ Aut C28 | 56 | 4+ | C28.46D4 | 224,29 |
| C28.47D4 = C4.12D28 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | 4- | C28.47D4 | 224,30 |
| C28.48D4 = C28.48D4 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | | C28.48D4 | 224,119 |
| C28.49D4 = D4⋊D14 | φ: D4/C22 → C2 ⊆ Aut C28 | 56 | 4+ | C28.49D4 | 224,144 |
| C28.50D4 = D4.9D14 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | 4- | C28.50D4 | 224,146 |
| C28.51D4 = Dic7⋊C8 | φ: D4/C22 → C2 ⊆ Aut C28 | 224 | | C28.51D4 | 224,20 |
| C28.52D4 = D14⋊C8 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | | C28.52D4 | 224,26 |
| C28.53D4 = C28.53D4 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | 4 | C28.53D4 | 224,28 |
| C28.54D4 = D28⋊4C4 | φ: D4/C22 → C2 ⊆ Aut C28 | 56 | 4 | C28.54D4 | 224,31 |
| C28.55D4 = C28.55D4 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | | C28.55D4 | 224,36 |
| C28.56D4 = D4⋊2Dic7 | φ: D4/C22 → C2 ⊆ Aut C28 | 56 | 4 | C28.56D4 | 224,43 |
| C28.57D4 = D4.8D14 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | 4 | C28.57D4 | 224,145 |
| C28.58D4 = C7×C4.D4 | φ: D4/C22 → C2 ⊆ Aut C28 | 56 | 4 | C28.58D4 | 224,49 |
| C28.59D4 = C7×C4.10D4 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | 4 | C28.59D4 | 224,50 |
| C28.60D4 = C7×D4⋊C4 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | | C28.60D4 | 224,51 |
| C28.61D4 = C7×Q8⋊C4 | φ: D4/C22 → C2 ⊆ Aut C28 | 224 | | C28.61D4 | 224,52 |
| C28.62D4 = C7×C22⋊Q8 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | | C28.62D4 | 224,157 |
| C28.63D4 = C7×C8⋊C22 | φ: D4/C22 → C2 ⊆ Aut C28 | 56 | 4 | C28.63D4 | 224,171 |
| C28.64D4 = C7×C8.C22 | φ: D4/C22 → C2 ⊆ Aut C28 | 112 | 4 | C28.64D4 | 224,172 |
| C28.65D4 = C7×C22⋊C8 | central extension (φ=1) | 112 | | C28.65D4 | 224,47 |
| C28.66D4 = C7×C4≀C2 | central extension (φ=1) | 56 | 2 | C28.66D4 | 224,53 |
| C28.67D4 = C7×C4⋊C8 | central extension (φ=1) | 224 | | C28.67D4 | 224,54 |
| C28.68D4 = C7×C8.C4 | central extension (φ=1) | 112 | 2 | C28.68D4 | 224,57 |
| C28.69D4 = C7×C4○D8 | central extension (φ=1) | 112 | 2 | C28.69D4 | 224,170 |