Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #2215 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C2×D8 |
| commutator | C2×C8 | C22×C4 |
| Frattini, cosocle | C22×C8 | C23 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
155 conjugacy classes of subgroups.
| minimal degree | μ(G) = 44 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 44 points:
(1,2,3,4)(5,6)(7,10)(8,9)(11,12)(13,14)(15,27)(16,21)(17,35)(18,38)(19,39)(20,26)(22,31)(23,28)(24,37)(25,36)(29,41)(30,40)(32,44)(33,43)(34,42);(6,9)(10,12)(13,15,28,33,19,30,37,34,20,31,18,29,36,32,17,16)(14,21,35,44,25,41,38,22,26,42,24,40,39,43,23,27);(5,7,8,11)(6,10,9,12)(13,16,17,32,36,29,18,31,20,34,37,30,19,33,28,15)(14,22,23,41,39,44,24,21,26,27,38,43,25,40,35,42)Polycyclic presentation:
2^8|a^2=f,b^2=eh,c^2=d,d^2=gh,e^2=g,g^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=egh,g^a=gh76 conjugacy classes — view the full character table.
| maximal subgroup of | #94203, #94206, #135003, … |
| maximal normal subgroup of | #94203, #94206, #135003, … |
| maximal quotient of | #135652, #135674, #135684, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5877);