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 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
975 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)(3,7)(4,5)(6,8)(9,10)(11,15)(12,13)(14,16)(17,18,21,23)(19,22,24,20);(2,5)(6,7)(9,11)(10,14)(12,15)(13,16)(17,19,21,24)(18,22,23,20);(11,16)(14,15)(18,23)(19,24);(1,2)(3,6)(4,5)(7,8)(9,11)(10,15)(12,14)(13,16)(17,19)(18,22)(20,23)(21,24);(1,3)(2,6)(4,8)(5,7)(9,12,13,10)(11,14,16,15)(17,20,21,22)(18,19,23,24)Polycyclic presentation:
2^8|a^2=g,b^2=g,e^2=h,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×#51565, #7707431, #7707659, … |
| maximal normal subgroup of | C2×#51565, #7707431, #7707659, … |
| maximal quotient of | #560463, #560583, #561476, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 44553);