Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #465 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C8 | C2×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| socle | C22 | C2×C4×D4 |
| prime radical | #3050 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C8 ◁ C23×C8 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
499 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2)(3,4)(5,6,10,14,11,15,9,19)(7,16,8,13,18,20,17,12);(5,7,9,17,11,18,10,8)(6,12,14,16,15,13,19,20);(2,4);(5,8,10,18,11,17,9,7)(6,13,14,20,15,12,19,16)Polycyclic presentation:
2^8|a^2=g,b^2=e,d^2=g,e^2=h,g^2=h,b^a=be,c^a=cf,e^a=eh88 conjugacy classes — view the full character table.
| maximal subgroup of | #124185, #124186, #124420, … |
| maximal normal subgroup of | #124185, #124186, #124420, … |
| maximal quotient of | C8×#465, C8×#466, C8×#467, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14532);