| order | 20408 |
| automorphism | ? |
| homology | Abelianization (H1) = C8 · Schur multiplier (H2) = C1 |
| unambiguous semidirect product | C2551⋊C8 |
| derived, Sylow | C2551 ⋊ C8 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C4 | D2551 |
| commutator, hypocenter | C2551 | C8 |
| Fitting, cosocle | C4×C2551 | C2 |
| socle, prime radical | C2×C2551 | C4 |
| LCS | G ▷ C2551 | |
| UCS | C1 ◁ C4 | |
8 conjugacy classes of subgroups.
| transitive degree | μt(G) = 20408 |
Polycyclic presentation:
2^3,2551|a^2=b,b^2=c,d^a=d^25505108 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20408, 6);