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 | C2×#121 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1006 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)(5,6)(7,11)(8,9)(10,12);(5,7)(6,10)(8,11)(9,12)(14,18)(15,21)(16,24)(26,28);(1,2)(3,4)(5,7,9,12)(6,11,8,10)(13,14,17,18)(15,22,21,19)(16,20,24,25)(23,28,27,26);(5,7)(6,11)(8,10)(9,12)(13,15,17,21)(14,19,18,22)(16,23,24,27)(20,26,25,28);(5,8,9,6)(7,10,12,11)(13,16)(14,20)(15,23)(17,24)(18,25)(19,26)(21,27)(22,28)Polycyclic presentation:
2^8|a^2=g,c^2=h,d^2=fh,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×#51332, #7706893, #7706906, … |
| maximal normal subgroup of | C2×#51332, #7706893, #7706906, … |
| maximal quotient of | #560547, #560559, #561643, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 44320);