Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #392 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C2×C42 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C23×C4 | C23 |
| commutator | C23 | C2×C42 |
| socle, prime radical | C24 | C22×C4 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
479 conjugacy classes of subgroups; only the 203 normal subgroups are shown.
This group has 479 conjugacy classes of subgroups — too many to draw. Only its 203 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 20 points:
(1,2)(3,4)(5,6)(7,8)(9,10,12,11);(2,4)(13,14,15,18,16,17,19,20);(6,8)(9,11,12,10)(14,17)(18,20)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=f,g^2=h,b^a=bd,c^a=ce,c^b=ch88 conjugacy classes — view the full character table.
| maximal subgroup of | #93547, #93573, #97108, … |
| maximal normal subgroup of | #93547, #93573, #97108, … |
| maximal quotient of | #109462, #109465, #109466, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3863);