46 groups of order 20540.
| SmallGroups | group |
|---|---|
| (20540, 1) | C4×C5×C13×C79 #35206699 |
| (20540, 2) | C4×C5×C79⋊C13 #35206700 |
| (20540, 3) | C5×C13×Dic79 #35206701 |
| (20540, 4) | C5×Dic13×C79 #35206702 |
| (20540, 5) | C5×Dic1027 #35206703 |
| (20540, 6) | C13×Dic5×C79 #35206704 |
| (20540, 7) | C13×Dic395 #35206705 |
| (20540, 8) | C79×Dic65 #35206706 |
| (20540, 9) | Dic5135 #35206707 |
| (20540, 10) | C5×Dic79⋊C13 #35206708 |
| (20540, 11) | Dic5×C79⋊C13 #35206709 |
| (20540, 12) | (C79⋊C13)⋊Dic5 #35206710 |
| (20540, 13) | C22×C5×C13×C79 #35206711 |
| (20540, 14) | (C79⋊C13)⋊AGL(1,𝔽5) #35206712 |
| (20540, 15) | AGL(1,𝔽5)×C79⋊C13 #35206713 |
| (20540, 16) | D5×D79⋊C13 #35206714 |
| (20540, 17) | C2×C5×D79⋊C13 #35206715 |
| (20540, 18) | C2×C5⋊(D79⋊C13) #35206716 |
| (20540, 19) | C2×D5×C79⋊C13 #35206717 |
| (20540, 20) | C22×C5×C79⋊C13 #35206718 |
| (20540, 21) | C5×#261×C79 #35206719 |
| (20540, 22) | C5×C79⋊#261 #35206720 |
| (20540, 23) | C5×D13×D79 #35206721 |
| (20540, 24) | C13×AGL(1,𝔽5)×C79 #35206722 |
| (20540, 25) | C13×C79⋊AGL(1,𝔽5) #35206723 |
| (20540, 26) | C79×#63122 #35206724 |
| (20540, 27) | C79⋊#63122 #35206725 |
| (20540, 28) | C79×#63121 #35206726 |
| (20540, 29) | C79⋊#63121 #35206727 |
| (20540, 30) | C79×#63120 #35206728 |
| (20540, 31) | C79⋊#63120 #35206729 |
| (20540, 32) | D5×C13×D79 #35206730 |
| (20540, 33) | C79×#63118 #35206731 |
| (20540, 34) | C79⋊#63118 #35206732 |
| (20540, 35) | D65×D79 #35206733 |
| (20540, 36) | D5×D13×C79 #35206734 |
| (20540, 37) | D13×D395 #35206735 |
| (20540, 38) | D5×D1027 #35206736 |
| (20540, 39) | D65⋊D79 #35206737 |
| (20540, 40) | C2×C5×C13×D79 #35206738 |
| (20540, 41) | C2×C5×D13×C79 #35206739 |
| (20540, 42) | C2×C5×D1027 #35206740 |
| (20540, 43) | C2×D5×C13×C79 #35206741 |
| (20540, 44) | C2×C13×D395 #35206742 |
| (20540, 45) | C2×C79×D65 #35206743 |
| (20540, 46) | C2×D5135 #35206744 |