Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1999 |
| automorphism | Aut(G) order 262144 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C26 |
| direct product | C2×#2026 |
| 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 | |
651 conjugacy classes of subgroups; only the 215 normal subgroups are shown.
This group has 651 conjugacy classes of subgroups — too many to draw. Only its 215 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 30 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 30 points:
(1,2);(7,8,10,12)(9,13,14,11)(15,16,18,20)(17,23,24,30)(19,27,26,22)(21,28,29,25);(3,4)(5,6)(7,9,10,14)(8,11,12,13)(16,20)(21,29)(22,27)(23,30);(4,6)(15,17,18,24)(16,21,20,29)(19,28,26,25)(22,30,27,23)64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#7429, #150623, C4×#2026, … |
| maximal normal subgroup of | C2×#7429, #150623, C4×#2026, … |
| maximal quotient of | C2×#10345, C2×#10347, #237740, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 16438);