Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #2127 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C42 |
| direct product | C2×#2128 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#99 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C2×D4 | C24 |
| prime radical | C2×#535 | C2 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1 | |
711 conjugacy classes of subgroups; only the 183 normal subgroups are shown.
This group has 711 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)(6,10,14,8)(7,11)(12,17)(13,16,18,15);(4,8)(5,12)(6,14)(9,16)(10,11)(15,17);(3,5,7,12)(4,9,11,17)(6,13,14,18)(8,15,10,16)46 conjugacy classes — view the full character table.
| maximal subgroup of | #146656, #146671, #146698, … |
| maximal normal subgroup of | #146656, #146671, #146698, … |
| maximal quotient of | C2×#11433, C2×#11450, C2×#11480, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 26344);