Finite Group DatabasebetaFinite Group Databasebeta| order | 504 |
| isoclinism | isoclinic class of Dic18 |
| automorphism | Aut(G) = C23×C3×AGL(1,ℤ/9) (order 1296) · Inn(G) = C2×D9 · Out(G) = C22×C32 |
| homology | Abelianization (H1) = C22×C7 · Schur multiplier (H2) = C2 |
| direct product | C7×#611 |
| Fitting | C22×C7×C9 ⋊ C2 |
| Hall | C7×C9 ⋊ D4 |
| Sylow | C9 ⋊ C7×D4 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C7 | C2×D9 |
| commutator, cosocle | C2×C9 | C22×C7 |
| Frattini | C2×C3 | C2×D3×C7 |
| Fitting | C22×C7×C9 | C2 |
| socle | C2×C3×C7 | C2×D3 |
| hypercenter | C22×C7 | D9 |
| hypocenter | C9 | C7×D4 |
| LCS | G ▷ C2×C9 ▷ C9 | |
| UCS | C1 ◁ C2×C7 ◁ C22×C7 | |
48 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 252 |
A minimal faithful permutation representation — 2 generators on 20 points:
(1,6,8,7,2,4,3,9,5)(11,13)(14,15,16,17,18,19,20);(2,4)(3,7)(5,6)(8,9)(10,11)(12,13)147 conjugacy classes — view the full character table.
| maximal subgroup of | #11758991, #11758996, D7×#611, … |
| maximal normal subgroup of | #11758991, #11758996, D7×#611, … |
| maximal quotient of | C7×Dic9⋊C4, C7×(C2×D9)⋊C4, C7×#3672, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(504, 33);