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) = C28 |
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 | |
1024 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(1,2,3,4)(14,18)(16,24)(19,21)(22,28);(5,6)(7,11)(8,12)(9,10)(13,14,17,18)(15,19,23,21)(16,25,24,20)(22,27,28,26);(1,2)(3,4)(6,10)(7,12)(13,14)(15,21)(16,20)(17,18)(19,23)(22,27)(24,25)(26,28);(5,7)(6,8)(9,12)(10,11)(13,15)(14,19)(16,22)(17,23)(18,21)(20,26)(24,28)(25,27);(5,8)(6,7)(9,11)(10,12)(13,16,17,24)(14,20,18,25)(15,22,23,28)(19,26,21,27)Polycyclic presentation:
2^8|a^2=fg,b^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×#47864, #7703789, #7704091, … |
| maximal normal subgroup of | C2×#47864, #7703789, #7704091, … |
| maximal quotient of | #560498, #560534, #561599, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 40852);