Finite Group DatabasebetaFinite Group Databasebeta| order | 21664 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C22 |
| direct product | M16×D677 |
| Fitting | M16×C677 ⋊ C2 |
| Sylow | C677 ⋊ C2×M16 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C4 | C22×D677 |
| commutator, socle | C2×C677 | C22×C4 |
| Fitting | M16×C677 | C2 |
| prime radical | C22×D677 | C4 |
| cosocle | C4×C677 | C23 |
| hypercenter | M16 | D677 |
| hypocenter | C677 | C2×M16 |
| LCS | G ▷ C2×C677 ▷ C677 | |
| UCS | C1 ◁ C4 ◁ M16 | |
68 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5416 |
3400 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21664, 149);