Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #99 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C24 |
| direct product | C2×#1283 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C22⋊C4 |
| commutator | C22 | C2×C4×C8 |
| Frattini, cosocle | C2×C42 | C23 |
| socle | C23 | #95 |
| prime radical | C24 | C42 |
| LCS | G ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
361 conjugacy classes of subgroups.
| minimal degree | μ(G) = 18 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 18 points:
(1,2);(3,4,5,8,6,7,9,10)(11,12,14,17,16,18,15,13);(4,7)(5,9)(11,13,15,18,16,17,14,12)88 conjugacy classes — view the full character table.
| maximal subgroup of | C8×#343, #105307, #105308, … |
| maximal normal subgroup of | C8×#343, #105307, #105308, … |
| maximal quotient of | C2×#7016, #94917, #94918, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 919);