Finite Group DatabasebetaFinite Group Databasebeta| order | 15616 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1812 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C42×C61 · Schur multiplier (H2) = C22 |
| direct product | C61×#12659 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C61 | #117 |
| commutator | C2×C4 | C2×C42×C61 |
| Frattini, cosocle | C22×C8 | C23×C61 |
| socle | C22×C61 | #432 |
| prime radical | C23×C61 | C2×M16 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C61 ◁ C2×#97×C61 ◁ G | |
346 conjugacy classes of subgroups.
| minimal degree | μ(G) = 81 |
| transitive degree | μt(G) = 3904 |
A minimal faithful permutation representation — 3 generators on 81 points:
(1,2,3,4)(6,10)(7,14)(11,13)(15,18)(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);(2,4)(5,6,7,12,8,13,15,20,9,10,14,17,16,11,18,19);(6,11,10,13)(7,14)(12,20,17,19)(15,18)3904 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(15616, 5647);