Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #2002 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C26 |
| direct product | C2×#2028 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | #120 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C24 | C2×D4 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
619 conjugacy classes of subgroups; only the 175 normal subgroups are shown.
This group has 619 conjugacy classes of subgroups — too many to draw. Only its 175 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 26 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 26 points:
(1,2);(3,4,6,8)(5,9,10,7)(11,12)(13,19)(14,22)(15,18)(16,20)(17,23)(21,26)(24,25);(3,5,6,10)(4,7,8,9)(14,23)(16,25)(17,22)(20,24);(11,13,15,21)(12,16,18,25)(14,24,23,20)(17,26,22,19)52 conjugacy classes — view the full character table.
| maximal subgroup of | #137096, #137098, #137124, … |
| maximal normal subgroup of | #137096, #137098, #137124, … |
| maximal quotient of | C2×#10341, C2×#10345, C2×#10342, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 16448);