Finite Group DatabasebetaFinite Group Databasebeta| order | 120 |
| isoclinism | isoclinic class of D15 |
| automorphism | Aut(G) = D3×D4×AGL(1,𝔽5) (order 960) · Inn(G) = D15 · Out(G) = C4×D4 |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C2 |
| direct product | C2×Dic15 |
| unambiguous semidirect product | (C2×C3)⋊Dic5 |
| derived, Hall | C3×C5 ⋊ C2×C4 |
| Sylow | C5 ⋊ C2×Dic3 |
| Sylow | C3 ⋊ C2×Dic5 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C22 | D15 |
| commutator, hypocenter | C3×C5 | C2×C4 |
| Frattini | C2 | C2×D15 |
| Fitting, socle, prime radical | C22×C3×C5 | C2 |
| cosocle | C2×C3×C5 | C22 |
| LCS | G ▷ C3×C5 | |
| UCS | C1 ◁ C22 | |
32 conjugacy classes of subgroups.
| minimal degree | μ(G) = 14 |
| transitive degree | μt(G) = 120 |
A minimal faithful permutation representation — 2 generators on 14 points:
(1,2)(4,5)(6,7,8,9)(11,12)(13,14);(1,2)(3,4,5)(10,11,13,14,12)36 conjugacy classes — view the full character table.
| maximal subgroup of | Dic3×Dic5, #6665, (C2×D3)⋊Dic5, … |
| maximal normal subgroup of | Dic3×Dic5, #6665, (C2×D3)⋊Dic5, … |
| maximal quotient of | C2×C3⋊#168, #6710, C4×Dic15, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(120, 29);