Finite Group DatabasebetaFinite Group Databasebeta| order | 20224 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #2184 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C79 · Schur multiplier (H2) = C26 |
| direct product | C2×C79×#2188 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C79 | C2×D8 |
| commutator, Frattini, cosocle | C2×C8 | C24×C79 |
| prime radical | C24×C79 | D8 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23×C79 ◁ C23×C4×C79 ◁ C23×C8×C79 ◁ G | |
1126 conjugacy classes of subgroups.
| minimal degree | μ(G) = 117 |
| transitive degree | μt(G) = 10112 |
A minimal faithful permutation representation — 4 generators on 117 points:
(1,2)(39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117);(3,4)(5,6)(7,8,12,16)(9,17,20,36)(10,21,25,35)(11,26,23,15)(13,28,30,18)(14,31,33,24)(19,37,27,32)(22,34,38,29);(7,9,12,20)(8,13,16,30)(10,22,25,38)(11,27,23,19)(14,32,33,37)(15,34,26,29)(17,35,36,21)(18,31,28,24);(4,6)4582 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20224, 26501);