Finite Group DatabasebetaFinite Group Databasebeta| order | 420 |
| nilpotency class | 1 |
| isoclinism | isoclinic class of C1 |
| automorphism | Aut(G) = C23×C3×C4 (order 96) · Inn(G) = C1 · Out(G) = C23×C3×C4 |
| homology | Abelianization (H1) = G · Schur multiplier (H2) = C1 |
| cyclic | C420 |
| abelian | C3×C4×C5×C7 |
| multiplicative | (ℤ/421)ˣ, (ℤ/842)ˣ |
| subgroup | G/H | |
|---|---|---|
| center | G | C1 |
| commutator | C1 | G |
| Frattini, cosocle | C2 | C2×C3×C5×C7 |
| socle, prime radical | C2×C3×C5×C7 | C2 |
| LCS | G ▷ C1 | |
| UCS | C1 ◁ G | |
24 conjugacy classes of subgroups.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 420 |
A minimal faithful permutation representation — 1 generator on 19 points:
(1,2,3,4)(5,6,7)(8,9,10,11,12)(13,14,15,16,17,18,19)420 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(420, 12);