| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D42 |
| automorphism | ? |
| homology | Abelianization (H1) = C26 · Schur multiplier (H2) = C213 |
| direct product | C2×#3483 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C24 |
| commutator, Frattini, cosocle | C22 | C26 |
| socle | C23 | C25 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22 ▷ C1 | |
4209 conjugacy classes of subgroups; only the 2943 normal subgroups are shown.
This group has 4209 conjugacy classes of subgroups — too many to draw. Only its 2943 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) = 128 |
A minimal faithful permutation representation — 6 generators on 18 points:
(1,2);(4,8)(9,10)(11,12)(13,16)(14,18)(15,17);(3,4,7,8)(5,9,6,10)(11,13,16,12)(14,18,15,17);(3,5,7,6)(4,9,8,10)(11,14,16,15)(12,17,13,18);(3,5,7,6)(4,10,8,9)(11,15,16,14)(12,17,13,18);(3,6,7,5)(4,10,8,9)100 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55704);