Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1468 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C2×C42 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C2×C22⋊C4 |
| commutator | C23 | C2×C42 |
| Frattini, cosocle | C23×C4 | C23 |
| socle | C22 | C2×#95 |
| prime radical | C24 | C22×C4 |
| LCS | G ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
405 conjugacy classes of subgroups; only the 179 normal subgroups are shown.
This group has 405 conjugacy classes of subgroups — too many to draw. Only its 179 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 20 points:
(2,4)(5,6,8,12,9,11,16,19)(7,10,14,17,13,18,15,20);(5,7)(6,10,11,18)(8,15)(9,13)(12,20,19,17)(14,16);(1,2,3,4)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=e,f^2=h,b^a=bd,c^a=ce,d^a=dh,g^a=gh,d^b=dh,f^b=fh64 conjugacy classes — view the full character table.
| maximal subgroup of | #105866, #106870, #106871, … |
| maximal normal subgroup of | #105866, #106870, #106871, … |
| maximal quotient of | #108924, #108925, #108930, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3844);