Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24269 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C4×Q8 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
373 conjugacy classes of subgroups; only the 135 normal subgroups are shown.
This group has 373 conjugacy classes of subgroups — too many to draw. Only its 135 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 — 4 generators on 28 points:
(1,2)(3,4)(5,6,9,12)(7,11,8,10)(13,14,17,18)(15,21,23,19)(16,20,25,26)(22,28,27,24);(5,7,9,8)(6,10,12,11)(13,15,14,19,17,23,18,21)(16,24,26,22,25,28,20,27);(2,4)(13,16,17,25)(14,20,18,26)(15,22,23,27)(19,24,21,28);(5,8,9,7)(6,11,12,10)(13,14,17,18)(15,19,23,21)(16,20,25,26)(22,24,27,28)Polycyclic presentation:
2^8|a^2=e,b^2=eg,c^2=h,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | #143740, #143742, #143788, … |
| maximal normal subgroup of | #143740, #143742, #143788, … |
| maximal quotient of | #318786, #318787, #318788, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 21259);