Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #32888 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#120 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×H(5,𝔽2) | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
709 conjugacy classes of subgroups; only the 149 normal subgroups are shown.
This group has 709 conjugacy classes of subgroups — too many to draw. Only its 149 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 — 4 generators on 20 points:
(2,4)(5,6,9,12)(7,13,15,20)(8,16,18,11)(10,17,19,14);(1,2,3,4);(5,7)(6,10)(8,17)(9,15)(11,20)(12,19)(13,16)(14,18);(8,18)(11,16)(13,20)(14,17)Polycyclic presentation:
2^8|a^2=h,b^2=e,f^2=h,b^a=be,c^a=cf,d^a=dg,f^a=fh,f^c=fh,g^c=gh,f^d=fh49 conjugacy classes — view the full character table.
| maximal subgroup of | #144230, #144231, #144269, … |
| maximal normal subgroup of | #144230, #144231, #144269, … |
| maximal quotient of | #347512, #347513, #347517, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 25910);