Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1462 |
| automorphism | Aut(G) order 262144 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C29 |
| direct product | C2×#1782 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C2×C22⋊C4 |
| commutator | C23 | C23×C4 |
| Frattini, cosocle | C24 | C24 |
| prime radical | C23×#41 | C2 |
| LCS | G ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C24×C4 ◁ G | |
| LECS | G ▷ C24 ▷ C2 ▷ C1 | |
2031 conjugacy classes of subgroups; only the 311 normal subgroups are shown.
This group has 2031 conjugacy classes of subgroups — too many to draw. Only its 311 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) = 64 |
A minimal faithful permutation representation — 4 generators on 22 points:
(1,2);(3,4)(5,6)(7,8)(9,15,17,12)(10,13)(11,14)(16,21,22,19)(18,20);(7,9)(8,12)(10,16)(11,17)(13,19)(14,15)(18,22)(20,21);(4,6)(7,10,11,18)(8,13,14,20)(9,16,17,22)(12,19,15,21)64 conjugacy classes — view the full character table.
| maximal subgroup of | #105826, #106150, #106518, … |
| maximal normal subgroup of | #105826, #106150, #106518, … |
| maximal quotient of | C2×#8300, C2×#8302, C2×#8303, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13571);