Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #465 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C4 |
| direct product | C4×#487 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C2×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| socle, prime radical | C23 | C22×D4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C43 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
439 conjugacy classes of subgroups; only the 207 normal subgroups are shown.
This group has 439 conjugacy classes of subgroups — too many to draw. Only its 207 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2,3,4);(5,6)(7,10)(8,9)(11,12)(13,14,18,19)(15,20,16,17);(6,9)(10,12)(13,15,17,14,18,16,20,19);(5,7,8,11)(6,10,9,12)(13,16,17,19,18,15,20,14)88 conjugacy classes — view the full character table.
| maximal subgroup of | #99598, #99603, #99608, … |
| maximal normal subgroup of | #99598, #99603, #99608, … |
| maximal quotient of | C8×#487, #212595, #212601, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14629);