Finite Group DatabasebetaFinite Group Databasebeta| order | 144 |
| isoclinism | isoclinic class of Dic18 |
| automorphism | Aut(G) = C23×AGL(1,ℤ/9) (order 432) · Inn(G) = C2×D9 · Out(G) = C22×C3 |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C1 |
No aliases for this group.
| Fitting | C8×C9 ⋊ C2 |
| Sylow | C9 ⋊ M16 |
| subgroup | G/H | |
|---|---|---|
| center | C4 | C2×D9 |
| commutator | C2×C9 | C2×C4 |
| Frattini | C3×C4 | C2×D3 |
| Fitting | C8×C9 | C2 |
| socle | C2×C3 | C4×D3 |
| prime radical | C2×D9 | C4 |
| cosocle | C4×C9 | C22 |
| hypercenter | C8 | D9 |
| hypocenter | C9 | M16 |
| LCS | G ▷ C2×C9 ▷ C9 | |
| UCS | C1 ◁ C4 ◁ C8 | |
30 conjugacy classes of subgroups.
| minimal degree | μ(G) = 17 |
| transitive degree | μt(G) = 72 |
A minimal faithful permutation representation — 2 generators on 17 points:
(1,6,8,7,2,4,3,9,5)(10,11,12,15,13,14,16,17);(2,4)(3,7)(5,6)(8,9)(11,14)(15,17)Polycyclic presentation:
2^4,3^2|b^2=c,c^2=d,e^3=f^2,b^a=bd,e^a=e^2f,f^a=f^242 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#3663, #63464, M16×D9, … |
| maximal normal subgroup of | C2×#3663, #63464, M16×D9, … |
| maximal quotient of | Dic9⋊C8, #63375, (C2×D9)⋊C8, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(144, 6);