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 | #2464 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
832 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,5,7)(3,6,8,4)(9,10)(11,15)(12,14)(13,16)(18,21)(22,24);(3,8)(4,6)(9,10,12,14)(11,13,16,15);(1,3,5,8)(2,4,7,6)(9,11)(10,13)(12,16)(14,15)(17,18,20,21)(19,22,23,24);(1,3)(2,6)(4,7)(5,8)(9,10)(11,13)(12,14)(15,16);(1,4,5,6)(2,3,7,8)(9,11)(10,13)(12,16)(14,15)(17,19,20,23)(18,22,21,24)Polycyclic presentation:
2^8|a^2=h,b^2=f,c^2=fg,e^2=fg,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×#49259, #7704182, #7704719, … |
| maximal normal subgroup of | C2×#49259, #7704182, #7704719, … |
| maximal quotient of | #560671, #560983, #561795, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 42247);