Finite Group DatabasebetaFinite Group Databasebeta| order | 18228 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C7×C31 · Schur multiplier (H2) = C1 |
| direct product | C7×C31×Dic21 |
| unambiguous semidirect product | C3⋊(C7×Dic7×C31) |
| unambiguous semidirect product | C7⋊(C7×Dic3×C31) |
| derived | C3×C7 ⋊ C4×C7×C31 |
| Hall | C3×C72×C31 ⋊ C4 |
| Hall | C72×C31 ⋊ Dic3 |
| Hall | C3×C72 ⋊ C4×C31 |
| Hall | C3×C31 ⋊ C7×Dic7 |
| Sylow | C72 ⋊ Dic3×C31 |
| Sylow | C3 ⋊ C7×Dic7×C31 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C7×C31 | D21 |
| commutator, hypocenter | C3×C7 | C4×C7×C31 |
| Frattini | C2 | C7×C31×D21 |
| Fitting, socle, prime radical | C2×C3×C72×C31 | C2 |
| cosocle | C2×C3×C7 | C2×C7×C31 |
| LCS | G ▷ C3×C7 | |
| UCS | C1 ◁ C2×C7×C31 | |
72 conjugacy classes of subgroups.
| transitive degree | μt(G) = 2604 |
5208 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18228, 137);