Finite Group DatabasebetaFinite Group Databasebeta| order | 15616 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C8×C61 · Schur multiplier (H2) = C22×C4 |
| direct product | C4×C61×#335 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C42×C61 | D4 |
| commutator | C4 | C2×C4×C8×C61 |
| Frattini, cosocle | C2×C42 | C23×C61 |
| socle, prime radical | C23×C61 | C2×C4⋊C4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C42×C61 ◁ C43×C61 ◁ G | |
470 conjugacy classes of subgroups.
| minimal degree | μ(G) = 81 |
| transitive degree | μt(G) = 15616 |
A minimal faithful permutation representation — 3 generators on 81 points:
(1,2,3,4)(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);(6,9)(7,10)(11,12)(13,14,15,17,16,18,19,20);(5,6,10,12,8,11,7,9)6832 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(15616, 1260);