Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of AΣL(1,𝔽16) |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C26 |
| direct product | C2×#2120 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #99 |
| commutator | C23 | C23×C4 |
| Frattini, cosocle | C2×D4 | C24 |
| socle | C22 | C2×#99 |
| prime radical | C2×#525 | C2 |
| LCS | G ▷ C23 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C22×C4 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1 | |
699 conjugacy classes of subgroups; only the 183 normal subgroups are shown.
This group has 699 conjugacy classes of subgroups — too many to draw. Only its 183 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 18 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 4 generators on 18 points:
(1,2);(3,4)(5,9)(6,13,14,8)(7,10)(11,17,18,15)(12,16);(4,8)(9,15)(10,13)(16,17);(3,5,7,12)(4,9,10,16)(6,11,14,18)(8,15,13,17)52 conjugacy classes — view the full character table.
| maximal subgroup of | #146595, #146596, #146597, … |
| maximal normal subgroup of | #146595, #146596, #146597, … |
| maximal quotient of | C2×#11425, C2×#11452, C2×#11471, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 26331);