Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3264 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×#41 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
567 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2)(3,4)(5,6,8,7)(10,14)(12,20)(15,21)(16,17)(19,24)(22,23);(5,7,8,6)(9,10)(11,15)(12,16)(13,17)(14,20)(18,22)(19,23)(21,24);(2,4)(9,11)(10,15)(12,19)(13,18)(14,21)(16,23)(17,22)(20,24);(10,16)(11,18)(12,20)(14,17)(15,21)(22,23)Polycyclic presentation:
2^8|a^2=g,b^2=g,e^2=h,b^a=be,c^a=cf,e^a=eh,d^b=de,e^b=eh,d^c=dh,e^d=eh58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#22862, #6381379, #6381405, … |
| maximal normal subgroup of | C2×#22862, #6381379, #6381405, … |
| maximal quotient of | #227106, #227107, #227108, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15850);