| order | 18688 |
| nilpotency class | 5 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C73 · Schur multiplier (H2) = C22 |
| direct product | C73×#7401 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C73 | #1343 |
| commutator | C22×C8 | C2×C4×C73 |
| Frattini, cosocle | #408 | C22×C73 |
| prime radical | C2×#41×C73 | D4 |
| LCS | G ▷ C22×C8 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C73 ◁ C2×C4×C73 ◁ C22×C4×C73 ◁ #408×C73 ◁ G | |
234 conjugacy classes of subgroups; only the 42 normal subgroups are shown.
This group has 234 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) = 137 |
| transitive degree | μt(G) = 4672 |
A minimal faithful permutation representation — 2 generators on 137 points:
(1,2,5,10,7,11,25,40)(3,13,15,43,17,44,48,58)(4,18,21,38,23,9,32,35)(6,12,26,39,20,34,53,57)(8,28,29,19,30,51,59,52)(14,31,46,37,47,41,60,63)(16,33,49,61,27,50,24,55)(22,42,54,64,45,36,56,62)(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);(1,3,7,17)(2,8,11,30)(4,19,23,52)(5,24,25,49)(6,27,20,16)(9,33,18,50)(10,37,40,63)(12,41,34,31)(13,42,44,36)(14,45,47,22)(15,26,48,53)(21,46,32,60)(28,56,51,54)(29,57,59,39)(35,58,38,43)(55,62,61,64)1825 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18688, 389);