Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of AGL(1,ℤ/8) |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4 |
| direct product | C4×#442 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C2×D4 |
| commutator | C4 | C22×C42 |
| Frattini, cosocle | C22×C4 | C24 |
| socle | C23 | C22×D4 |
| prime radical | C22×D8 | C22 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C43 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
663 conjugacy classes of subgroups; only the 307 normal subgroups are shown.
This group has 663 conjugacy classes of subgroups — too many to draw. Only its 307 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 16 points:
(1,2,3,4);(5,6,8,7)(9,10,12,14)(11,13,16,15);(10,13)(11,16)(14,15);(5,7,8,6)(10,14)(13,15)88 conjugacy classes — view the full character table.
| maximal subgroup of | #128555, #128572, #138740, … |
| maximal normal subgroup of | #128555, #128572, #138740, … |
| maximal quotient of | C8×#442, C4×#1580, #183886, … |
| automorphism group of | C5×SD32 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13488);