Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #471 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4 |
| direct product | C2×#1932 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #121 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| socle | C22 | #388 |
| prime radical | C22×#41 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
523 conjugacy classes of subgroups.
| minimal degree | μ(G) = 18 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 4 generators on 18 points:
(1,2);(3,4,7,11,8,12,6,9)(5,13,16,17,15,10,14,18);(4,9,12,11)(10,17,13,18);(3,5,6,14,8,15,7,16)(4,10,11,18,12,13,9,17)64 conjugacy classes — view the full character table.
| maximal subgroup of | C4×#1932, #354356, #354399, … |
| maximal normal subgroup of | C4×#1932, #354356, #354399, … |
| maximal quotient of | C2×#9549, C2×#9550, #202478, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14067);