Finite Group DatabasebetaFinite Group Databasebeta| order | 18688 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C8×C73 · Schur multiplier (H2) = C22×C4 |
| direct product | C73×#12615 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C8×C73 | C2×D4 |
| commutator | C4 | C2×C4×C8×C73 |
| Frattini, cosocle | C22×C8 | C23×C73 |
| socle | C22×C73 | C8×D4 |
| prime radical | C2×#41×C73 | C2×C4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C8×C73 ◁ C22×C16×C73 ◁ G | |
418 conjugacy classes of subgroups.
| minimal degree | μ(G) = 109 |
| transitive degree | μt(G) = 4672 |
A minimal faithful permutation representation — 3 generators on 109 points:
(1,2)(3,4)(5,6,9,15,10,14,22,29,11,16,23,30,8,12,21,25)(7,13,19,27,20,26,33,35,17,28,31,36,18,24,32,34)(37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109);(2,4)(6,12,16,14)(7,17)(13,26,28,24)(15,25,30,29)(18,20)(19,31)(27,35,36,34)(32,33);(5,7,9,19,10,20,22,33,11,17,23,31,8,18,21,32)(6,13,15,27,14,26,29,35,16,28,30,36,12,24,25,34)6424 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18688, 5603);