Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10260 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | #121 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
211 conjugacy classes of subgroups; only the 71 normal subgroups are shown.
This group has 211 conjugacy classes of subgroups — too many to draw. Only its 71 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 28 points:
(1,2)(3,4)(5,6,10,12)(7,8,11,9)(14,18)(15,21)(16,24)(19,27)(20,25)(22,26);(5,7)(6,8)(9,12)(10,11)(13,14,17,20)(15,22,21,19)(16,25,24,18)(23,26,28,27);(2,4)(6,11)(7,12)(8,9)(13,15,16,23,17,21,24,28)(14,19,18,26,20,22,25,27)Polycyclic presentation:
2^8|a^2=h,b^2=g,c^2=d,d^2=g,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fh,c^b=cf,d^b=dg,e^b=eh,f^b=fh,e^c=egh,f^c=fgh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10541, #239043, #239049, … |
| maximal normal subgroup of | C2×#10541, #239043, #239049, … |
| maximal quotient of | #104867, #104868, #105085, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3529);