Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10104 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #392 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| prime radical | #532 | C22 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
276 conjugacy classes of subgroups; only the 53 normal subgroups are shown.
This group has 276 conjugacy classes of subgroups — too many to draw. Only its 53 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 24 points:
(2,5)(3,7)(6,8)(9,10)(11,18)(12,14)(13,23)(15,17)(16,19)(20,24)(21,22);(3,7)(5,8)(9,11,14,20)(10,16,12,22)(13,21,15,19)(17,24,23,18);(1,2)(3,8)(4,6)(5,7)(9,12,14,10)(11,18,20,24)(13,23,15,17)(16,19,22,21)Polycyclic presentation:
2^8|b^2=g,c^2=g,d^2=g,e^2=h,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eh,c^b=cf,d^b=dg,e^b=eh,f^b=fg,d^c=dh,e^c=eh,f^c=fg34 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10107, #236423, #236440, … |
| maximal normal subgroup of | C2×#10107, #236423, #236440, … |
| maximal quotient of | #102580, #102582, #102586, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3095);