Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4×#120 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
869 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(10,15)(11,16)(18,22)(23,24);(1,2)(3,7)(4,8)(5,6)(9,10)(11,12)(13,16)(14,15)(17,18,21,22)(19,23,20,24);(2,6)(3,8)(9,11,14,16)(10,12,15,13)(17,19,21,20)(18,23,22,24);(1,3,5,8)(2,7,6,4)(9,12,14,13)(10,11,15,16);(1,4,5,7)(2,3,6,8)(9,13,14,12)(10,16,15,11)(17,20,21,19)(18,24,22,23)Polycyclic presentation:
2^8|b^2=fg,c^2=f,d^2=gh,e^2=fh,b^a=bf,c^a=cg,c^b=ch,e^b=eh,d^c=dh,e^d=eh70 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#36524, #7630214, #7630228, … |
| maximal normal subgroup of | C2×#36524, #7630214, #7630228, … |
| maximal quotient of | #519185, #519187, #519196, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 29512);