Finite Group DatabasebetaFinite Group Databasebeta| order | 400 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C52 · Schur multiplier (H2) = C22×C5 |
| direct product | C52×#41 |
| subgroup | G/H | |
|---|---|---|
| center | C4×C52 | C22 |
| commutator, Frattini, cosocle | C2 | C23×C52 |
| socle | C2×C52 | C23 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C4×C52 ◁ G | |
160 conjugacy classes of subgroups.
| minimal degree | μ(G) = 18 |
| transitive degree | μt(G) = 200 |
A minimal faithful permutation representation — 3 generators on 18 points:
(1,2)(3,6)(4,5)(7,8)(9,10,11,12,13);(2,5)(6,8)(14,15,16,17,18);(1,3,4,7)(2,6,5,8)250 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(400, 204);