Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1999 |
| automorphism | Aut(G) order 524288 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
| direct product | C2×#2096 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C24 | C2×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
619 conjugacy classes of subgroups; only the 231 normal subgroups are shown.
This group has 619 conjugacy classes of subgroups — too many to draw. Only its 231 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) = 256 |
A minimal faithful permutation representation — 4 generators on 22 points:
(1,2);(7,8,10,12)(9,13,14,11)(15,16,20,22,19,17,18,21);(3,4)(5,6)(7,9,10,14)(8,11,12,13)(15,17,19,16)(18,21,20,22);(4,6)(15,16,19,17)(18,22,20,21)64 conjugacy classes — view the full character table.
| maximal subgroup of | #99649, #99650, #103383, … |
| maximal normal subgroup of | #99649, #99650, #103383, … |
| maximal quotient of | C2×#10663, #243848, #243862, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 16716);