Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #9755 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C8 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #390 |
| commutator | C42 | C22×C4 |
| Frattini, cosocle | C2×C42 | C23 |
| prime radical | C2×#493 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
291 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 24 points:
(2,5)(3,6)(7,8)(9,10,14,18,15,17,13,11)(12,20,22,24,23,19,21,16);(1,2,6,8,4,7,3,5)(9,11,14,17,15,18,13,10)(12,19,22,24,23,20,21,16);(9,12,14,22,15,23,13,21)(10,16,11,19,17,24,18,20)Polycyclic presentation:
2^8|a^2=f,b^2=dfgh,c^2=eh,d^2=gh,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,d^b=dh,f^b=fh52 conjugacy classes — view the full character table.
| maximal subgroup of | #131844, #136512, #136872, … |
| maximal normal subgroup of | #131844, #136512, #136872, … |
| maximal quotient of | #102037, #102048, #102223, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 2761);