Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #392 |
| automorphism | Aut(G) order 3145728 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C28 |
| direct product | C2×#1444 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C25 | C23 |
| commutator | C23 | C23×C4 |
| Frattini, cosocle | C24 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C25 ◁ G | |
| LECS | G ▷ C24 ▷ C1 | |
1775 conjugacy classes of subgroups; only the 639 normal subgroups are shown.
This group has 1775 conjugacy classes of subgroups — too many to draw. Only its 639 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 18 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 18 points:
(1,2);(8,10)(12,13)(15,16,17,18);(4,6)(8,10)(11,12,14,13);(3,4)(5,6)(7,8,9,10)(11,13,14,12)88 conjugacy classes — view the full character table.
| Fitting subgroup of | C2×#1444⋊C3, #72267669 |
| maximal subgroup of | #109916, #109919, #116315, … |
| maximal normal subgroup of | #109916, #109919, #116315, … |
| maximal quotient of | C2×#7557, C4×#1444, #154106, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 6831);