Finite Group DatabasebetaFinite Group Databasebeta| order | 144 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4 |
| automorphism | Aut(G) = C2×C3×#1020⋊C2 (order 1152) · Inn(G) = C22 · Out(G) = C22×C3×S4 |
| homology | Abelianization (H1) = C23×C9 · Schur multiplier (H2) = C22 |
| direct product | C2×Q8×C9 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C9 | C22 |
| commutator | C2 | C23×C9 |
| Frattini, cosocle | C2×C3 | C23×C3 |
| socle, prime radical | C22×C3 | C22×C3 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C9 ◁ G | |
57 conjugacy classes of subgroups.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 144 |
A minimal faithful permutation representation — 3 generators on 19 points:
(1,2)(11,12,13,14,15,16,17,18,19);(3,4,5,6)(7,10,9,8);(3,7,5,9)(4,8,6,10)90 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(144, 49);