Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10280 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #392 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
475 conjugacy classes of subgroups; only the 65 normal subgroups are shown.
This group has 475 conjugacy classes of subgroups — too many to draw. Only its 65 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 3 generators on 16 points:
(1,2)(3,5)(4,7)(6,8)(9,10)(11,13)(12,15)(14,16);(2,5)(3,8)(6,7)(11,16)(13,14);(3,8)(5,6)(10,13)(11,16)(14,15)Polycyclic presentation:
2^8|d^2=g,e^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fgh,c^b=cf,d^b=dg,e^b=eh,d^c=dg,e^c=eh40 conjugacy classes — view the full character table.
| maximal subgroup of | #94638, #94640, #125652, … |
| maximal normal subgroup of | #94638, #94640, #125652, … |
| maximal quotient of | #102965, #102995, #103005, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3268);