Finite Group DatabasebetaFinite Group Databasebeta| order | 30861 |
| nilpotency class | 3 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C9×C127 · Schur multiplier (H2) = C3 |
| direct product | C127×3−1+2⋊C9 |
| unambiguous semidirect product | 3−1+2⋊(C9×C127) |
| subgroup | G/H | |
|---|---|---|
| center, socle | C32×C127 | H(3,𝔽3) |
| commutator | C32 | C3×C9×C127 |
| Frattini, cosocle | C33 | C32×C127 |
| prime radical | C33×C127 | C32 |
| LCS | G ▷ C32 ▷ C3 ▷ C1 | |
| UCS | C1 ◁ C32×C127 ◁ C33×C127 ◁ G | |
82 conjugacy classes of subgroups.
| minimal degree | μ(G) = 145 |
| transitive degree | μt(G) = 10287 |
A minimal faithful permutation representation — 2 generators on 145 points:
(1,2,4,3,5,7,6,8,9)(10,11,14)(12,16,13)(15,18,17)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145);(10,12,16,13,15,18,17,11,14)6477 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(30861, 18);