Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2403 |
| automorphism | Aut(G) order 32768 |
| 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 | C22×D4 | C2×C4 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
548 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 16 points:
(2,4)(6,8)(9,10,12,14,11,13,15,16);(1,2)(3,4)(10,13)(14,16);(5,6,7,8);(2,4)(10,13)(14,16)Polycyclic presentation:
2^8|a^2=g,c^2=f,g^2=h,b^a=be,c^a=cf,d^a=dh,d^b=deh76 conjugacy classes — view the full character table.
| maximal subgroup of | #99455, #99459, #99463, … |
| maximal normal subgroup of | #99455, #99459, #99463, … |
| maximal quotient of | #225396, #225397, #225398, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15638);