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 |
| prime radical | #2010 | C2 |
| LCS | G ▷ C2×M16 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2 ◁ C2×C4 ◁ C2×M16 ◁ G | |
| LECS | G ▷ C2×M16 ▷ C2×C4 ▷ C2 ▷ C1 | |
211 conjugacy classes of subgroups; only the 35 normal subgroups are shown.
This group has 211 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) = 32 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2)(3,11)(4,15)(5,20)(6,10)(7,12)(8,19)(9,18)(13,31)(14,28)(16,26)(17,27)(21,24)(22,30)(23,32)(25,29);(1,3,6,14)(2,7,10,22)(4,16,17,32)(5,21,18,13)(8,24,25,31)(9,26,20,23)(11,27,28,15)(12,29,30,19);(4,17)(12,30)(16,32)(19,29)Polycyclic presentation:
2^8|b^2=h,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 | #151136, #151137, #151140, … |
| maximal normal subgroup of | #151136, #151137, #151140, … |
| maximal quotient of | #122972, #122974, #122980, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5103);