Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #120 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C2×C42 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C2×C42 | C23 |
| commutator | C22 | C2×C4×C8 |
| socle, prime radical | C23 | C2×C42 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
223 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2)(3,6)(4,5)(7,8)(17,18,20,23,21,24,27,30)(19,22,26,29,25,28,31,32);(2,5)(6,8)(9,10,11,13,12,14,15,16)(17,19)(18,22)(20,26)(21,25)(23,29)(24,28)(27,31)(30,32);(1,3,4,7)(2,6,5,8)(19,25)(22,28)(26,31)(29,32)Polycyclic presentation:
2^8|a^2=e,b^2=f,c^2=d,e^2=g,f^2=h,b^a=bd,c^b=cg112 conjugacy classes — view the full character table.
| maximal subgroup of | #93251, #93305, #93405, … |
| maximal normal subgroup of | #93251, #93305, #93405, … |
| maximal quotient of | #96661, #96662, #96663, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 1121);