Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3055 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28×C4 |
| direct product | C2×#3152 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| prime radical | C2×#532 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
1631 conjugacy classes of subgroups; only the 583 normal subgroups are shown.
This group has 1631 conjugacy classes of subgroups — too many to draw. Only its 583 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 22 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 22 points:
(1,2);(4,6)(7,8,11,14)(9,15,16,22)(10,18,19,13)(12,20,21,17);(7,9,10,17,11,16,19,20)(8,12,13,15,14,21,18,22);(3,4,5,6);(9,16)(12,21)(15,22)(17,20)64 conjugacy classes — view the full character table.
| maximal subgroup of | #112646, #112655, #112715, … |
| maximal normal subgroup of | #112646, #112655, #112715, … |
| maximal quotient of | C2×#19622, C2×#19626, C2×#19630, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 53625);