| order | 20224 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #7398 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C79 · Schur multiplier (H2) = C22 |
| direct product | C79×#7399 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C79 | #1343 |
| commutator | C22×C8 | C2×C4×C79 |
| Frattini, cosocle | #408 | C22×C79 |
| prime radical | C2×#41×C79 | D4 |
| LCS | G ▷ C22×C8 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C79 ◁ C2×C4×C79 ◁ C22×C4×C79 ◁ #408×C79 ◁ G | |
238 conjugacy classes of subgroups; only the 42 normal subgroups are shown.
This group has 238 conjugacy classes of subgroups — too many to draw. Only its 42 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 143 |
| transitive degree | μt(G) = 5056 |
A minimal faithful permutation representation — 2 generators on 143 points:
(1,2)(3,13,15,40)(4,19)(5,25,26,10)(6,11)(7,12)(8,14,29,44)(9,22,35,56)(16,49,17,33)(18,42,48,60)(20,30,45,31)(21,34)(23,52)(24,53)(27,51,47,37)(28,59,50,41)(32,46,61,54)(36,57,39,62)(38,55,58,64)(43,63)(65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143);(1,3,7,18)(2,8,12,32)(4,20,24,55)(5,16,26,50)(6,28,21,17)(9,33,35,59)(10,30,25,58)(11,38,34,31)(13,39,42,36)(14,43,46,23)(15,47,48,27)(19,40,53,60)(22,54,56,44)(29,51,61,37)(41,63,49,52)(45,62,64,57)1975 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20224, 387);