Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #32935 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
466 conjugacy classes of subgroups; only the 139 normal subgroups are shown.
This group has 466 conjugacy classes of subgroups — too many to draw. Only its 139 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) = 128 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2)(3,4)(5,6)(7,9)(8,10)(11,12)(14,19)(15,20)(16,17);(5,7,8,11)(6,9,10,12)(13,14,16,19,18,20,17,15);(6,10)(9,12);(2,4)(13,15,16,14,18,19,17,20)Polycyclic presentation:
2^8|b^2=ef,d^2=e,e^2=h,g^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eh,g^a=gh,d^b=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | #265242, #265243, #265273, … |
| maximal normal subgroup of | #265242, #265243, #265273, … |
| maximal quotient of | #351330, #351331, #351336, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 26122);