Finite Group DatabasebetaFinite Group Databasebeta| order | 504 |
| isoclinism | isoclinic class of C3⋊D21 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C2×C3 |
| direct product | C2×C3⋊Dic21 |
| unambiguous semidirect product | (C2×C3)⋊Dic21 |
| unambiguous semidirect product | (C2×C7)⋊(C3⋊Dic3) |
| derived, Hall | C32×C7 ⋊ C2×C4 |
| Sylow | C32 ⋊ C2×Dic7 |
| Sylow | C7 ⋊ C2×C3⋊Dic3 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C22 | C3⋊D21 |
| commutator, hypocenter | C32×C7 | C2×C4 |
| Frattini | C2 | C2×C3⋊D21 |
| Fitting, socle, prime radical | C22×C32×C7 | C2 |
| cosocle | C2×C32×C7 | C22 |
| LCS | G ▷ C32×C7 | |
| UCS | C1 ◁ C22 | |
96 conjugacy classes of subgroups.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 504 |
A minimal faithful permutation representation — 3 generators on 19 points:
(1,2)(4,5)(7,8)(9,10,11,12)(14,15)(16,17)(18,19);(1,2)(3,4,5)(13,14,16,18,19,17,15);(6,7,8)132 conjugacy classes — view the full character table.
| maximal subgroup of | Dic7×C3⋊Dic3, (C2×D7)⋊(C3⋊Dic3), #11759167, … |
| maximal normal subgroup of | Dic7×C3⋊Dic3, (C2×D7)⋊(C3⋊Dic3), #11759167, … |
| maximal quotient of | C2×C3⋊(C3⋊(C7⋊C8)), #11759309, C4×C3⋊Dic21, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(504, 151);