Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12114 |
| automorphism | Aut(G) = #72308157 (order 2048) · Inn(G) = #1595 · Out(G) = C24 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C2 | #1595 |
| commutator, Frattini, cosocle | C2×M16 | C23 |
| LCS | G ▷ C2×M16 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2 ◁ C2×C4 ◁ C2×M16 ◁ G | |
| LECS | G ▷ C2×M16 ▷ C2×C4 ▷ C2 ▷ C1 | |
237 conjugacy classes of subgroups; only the 35 normal subgroups are shown.
This group has 237 conjugacy classes of subgroups — too many to draw. Only its 35 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 16 |
A minimal faithful permutation representation — 3 generators on 16 points:
(1,2)(3,6)(4,13)(5,9)(7,10)(8,12)(11,14)(15,16);(2,6)(3,10)(4,12)(7,8)(9,14)(11,16)(13,15);(3,11)(10,16)Polycyclic presentation:
2^8|d^2=fh,f^2=h,b^a=bd,c^a=ce,d^a=df,f^a=fh,g^a=gh,d^b=df,e^b=egh,f^b=fh,d^c=dg,e^d=eh25 conjugacy classes — view the full character table.
| maximal subgroup of | #151134, #151135, #151138, … |
| maximal normal subgroup of | #151134, #151135, #151138, … |
| maximal quotient of | #122971, #122975, #122979, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5102);