Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2403 |
| automorphism | Aut(G) order 4194304 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27×C4 |
| direct product | C2×#2502 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C24 | C24 |
| commutator, Frattini, cosocle | C23 | C25 |
| prime radical | C25 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1547 conjugacy classes of subgroups; only the 647 normal subgroups are shown.
This group has 1547 conjugacy classes of subgroups — too many to draw. Only its 647 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 22 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 22 points:
(1,2);(4,6)(7,8)(9,13)(10,12)(11,14)(15,16,19,22)(17,21,18,20);(7,8,10,12)(9,11,14,13)(15,17,19,18)(16,20,22,21);(3,4,5,6)(7,8)(9,11)(10,12)(13,14);(7,9,10,14)(8,11,12,13)(15,18,19,17)(16,21,22,20)76 conjugacy classes — view the full character table.
| maximal subgroup of | #98560, #111896, #112550, … |
| maximal normal subgroup of | #98560, #111896, #112550, … |
| maximal quotient of | C2×#13880, C2×#13924, C2×#14000, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 27753);