Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4 |
| direct product | C2×C4×#104 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C42 | D4 |
| commutator | C4 | C22×C42 |
| Frattini, cosocle | C22×C4 | C24 |
| socle | C23 | C2×C22⋊C4 |
| prime radical | C22×#41 | C22 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C42 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
939 conjugacy classes of subgroups.
| minimal degree | μ(G) = 14 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 14 points:
(1,2);(3,4,5,6);(7,8,10,13,11,9,14,12);(7,9)(8,11)(10,12)(13,14)112 conjugacy classes — view the full character table.
| maximal subgroup of | #105678, #105679, #106414, … |
| maximal normal subgroup of | #105678, #105679, #106414, … |
| maximal quotient of | C2×C4×D4⋊C8, C2×C4×Q8⋊C8, C4×#1476, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13390);