Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23860 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×D4 | D4 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C4×D4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
381 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)(3,7)(4,8)(5,6)(9,10)(11,14)(12,16)(13,15);(2,6)(7,8)(9,11,13,12)(10,14,15,16)(17,18,21,24)(19,23,20,22);(1,3,5,4)(2,7,6,8)(9,12,13,11)(10,14,15,16)(18,22)(19,20)(23,24);(1,4,5,3)(2,7,6,8)(17,19,21,20)(18,23,24,22)Polycyclic presentation:
2^8|b^2=fh,c^2=ef,d^2=eh,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,d^c=dh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#26314, #6447224, #6447230, … |
| maximal normal subgroup of | C2×#26314, #6447224, #6447230, … |
| maximal quotient of | #360965, #362511, #365884, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 19302);