Finite Group DatabasebetaFinite Group Databasebeta| order | 20224 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4×C79 · Schur multiplier (H2) = C23 |
| direct product | C79×#8974 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23×C79 | #120 |
| commutator | C42 | C22×C4×C79 |
| Frattini, cosocle | C2×C42 | C23×C79 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23×C79 ◁ C2×C42×C79 ◁ G | |
516 conjugacy classes of subgroups.
| minimal degree | μ(G) = 107 |
| transitive degree | μt(G) = 20224 |
A minimal faithful permutation representation — 3 generators on 107 points:
(1,2,4,3)(6,9,10,12)(13,14,16,20,18,22,17,21)(15,23,25,19,26,27,24,28)(29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107);(1,3,4,2)(7,11)(9,12)(13,15)(14,19)(16,24)(17,25)(18,26)(20,23)(21,27)(22,28);(5,6)(7,12)(8,10)(9,11)(13,16,18,17)(14,20,22,21)(15,24,26,25)(19,23,28,27)4108 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20224, 1962);