Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2403 |
| automorphism | Aut(G) = C213 (order 8192) · Inn(G) = C24 · Out(G) = C29 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C24 |
| commutator, socle | C23 | C23×C4 |
| prime radical | C2×#120 | C4 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
660 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 16 points:
(2,4)(5,6)(7,8)(9,10,13,15,12,11,14,16);(1,2)(3,4)(9,11,13,16,12,10,14,15);(6,8)(10,11)(15,16);(2,4)Polycyclic presentation:
2^8|a^2=g,b^2=g,g^2=h,b^a=be,c^a=cf,c^b=ch,d^b=de76 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#22846, #6381344, #6381345, … |
| maximal normal subgroup of | C2×#22846, #6381344, #6381345, … |
| maximal quotient of | #227166, #227167, #227168, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15834);