Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #99 |
| automorphism | Aut(G) order 393216 |
| homology | Abelianization (H1) = C23×C8 · Schur multiplier (H2) = C27 |
| direct product | C22×#323 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C24 | C22⋊C4 |
| commutator | C22 | C23×C8 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C26 | C4 |
| LCS | G ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ C24×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
1439 conjugacy classes of subgroups; only the 311 normal subgroups are shown.
This group has 1439 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) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2);(3,4);(5,6)(7,11,12,9)(8,10)(13,14,15,17,16,18,19,20);(5,7)(6,9)(8,12)(10,11)88 conjugacy classes — view the full character table.
| Fitting subgroup of | A4×#323 |
| maximal subgroup of | #105568, #105570, #105604, … |
| maximal normal subgroup of | #105568, #105570, #105604, … |
| maximal quotient of | C22×#1270, C22×#1272, C2×#7563, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 10331);