Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #453 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C2×C42 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | #120 |
| commutator | C2×C4 | C2×C42 |
| Frattini, cosocle | C23×C4 | C23 |
| prime radical | C24 | C2×D4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
417 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 16 points:
(1,2,4,3)(10,14)(11,12)(15,16);(5,6,7,8)(9,10)(11,16)(12,14)(13,15);(1,3,4,2)(9,10)(11,14)(12,16)(13,15)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=f,d^2=h,e^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,d^b=dh,e^c=eh64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10899, #353926, #353927, … |
| maximal normal subgroup of | C2×#10899, #353926, #353927, … |
| maximal quotient of | #109522, #109523, #109526, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3887);