Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23848 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | #2011 | C2 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C4⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
534 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,3)(5,6,8,7)(9,10)(11,17)(12,15)(13,16)(14,19)(18,23)(20,22)(21,24);(1,2,4,3)(5,7,8,6)(9,11,12,19)(10,14,15,17)(13,18,21,20)(16,22,24,23);(6,7)(11,18)(13,21)(14,22)(16,24)(17,23)(19,20);(1,3,4,2)(10,15)(14,17)(16,24)(22,23)Polycyclic presentation:
2^8|a^2=f,b^2=ef,d^2=eh,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,g^c=gh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#25372, #6444143, #6444153, … |
| maximal normal subgroup of | C2×#25372, #6444143, #6444153, … |
| maximal quotient of | #287787, #287788, #287789, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 18360);