Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #32929 |
| automorphism | Aut(G) order 1048576 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23×C42 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | #2867 | C2 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C43 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
659 conjugacy classes of subgroups; only the 207 normal subgroups are shown.
This group has 659 conjugacy classes of subgroups — too many to draw. Only its 207 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:
(2,4)(5,6)(7,10)(8,9)(11,12)(14,19)(15,20)(16,17);(6,9)(10,12)(13,14,17,15,18,20,16,19);(1,2,3,4);(5,7,8,11)(6,10,9,12)(13,15,16,14,18,19,17,20)Polycyclic presentation:
2^8|b^2=g,c^2=f,d^2=e,e^2=h,g^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eh,g^a=gh76 conjugacy classes — view the full character table.
| maximal subgroup of | #102218, #102223, #102225, … |
| maximal normal subgroup of | #102218, #102223, #102225, … |
| maximal quotient of | #352612, #352617, #352622, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 26212);