Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #47826 |
| 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 | C22×D4 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
790 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,6,8)(3,5,4,7)(17,18,20,22)(19,23,24,21);(1,3,6,4)(2,7,8,5)(9,10)(11,15)(12,16)(13,14);(2,8)(3,4)(10,14)(11,16)(17,19,20,24)(18,21,22,23);(1,4,6,3)(2,7,8,5)(9,11)(10,12)(13,16)(14,15);(1,5,6,7)(2,3,8,4)(9,12)(10,11)(13,15)(14,16)Polycyclic presentation:
2^8|a^2=g,b^2=f,c^2=fg,d^2=f,e^2=f,b^a=bf,c^a=cg,e^a=ef,c^b=ch,d^b=dfh,e^b=eh,d^c=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#47987, #7704060, #7704093, … |
| maximal normal subgroup of | C2×#47987, #7704060, #7704093, … |
| maximal quotient of | #560573, #560581, #561686, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 40975);