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×#121 | C4 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
558 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)(5,6)(7,8)(9,10,14,15,13,12,11,16);(1,2,3,4)(9,11,13,14)(10,15,12,16);(6,8);(9,12,14,16,13,10,11,15)Polycyclic presentation:
2^8|a^2=g,b^2=e,d^2=g,g^2=h,b^a=be,c^a=cf,d^b=dh76 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#21489, #6372763, #6372769, … |
| maximal normal subgroup of | C2×#21489, #6372763, #6372769, … |
| maximal quotient of | #210508, #210509, #210510, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14477);