Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12715 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C2 | #1781 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C2×#41 | C23 |
| prime radical | #3499 | C2 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2 ◁ C2×C4 ◁ C2×2−1+4 ◁ G | |
| LECS | G ▷ C2×#41 ▷ C22 ▷ C2 ▷ C1 | |
472 conjugacy classes of subgroups; only the 73 normal subgroups are shown.
This group has 472 conjugacy classes of subgroups — too many to draw. Only its 73 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2)(3,13)(4,16,18,27)(5,10,20,23)(6,11)(7,12)(8,15,24,19)(9,14,26,21)(17,29)(22,31)(25,30)(28,32);(1,3,7,6)(2,8,12,24)(4,14,18,21)(5,19,20,15)(9,22,26,29)(10,11,23,13)(16,25,27,32)(17,30,31,28);(1,4)(2,9)(3,14)(5,17)(6,21)(7,18)(8,22)(10,25)(11,27)(12,26)(13,16)(15,28)(19,30)(20,31)(23,32)(24,29)Polycyclic presentation:
2^8|a^2=f,b^2=h,d^2=h,e^2=h,b^a=bd,c^a=ce,d^a=dg,g^a=gh,d^b=dh,f^b=fgh,e^c=eh,f^c=fh,f^d=fh34 conjugacy classes — view the full character table.
| maximal subgroup of | #152028, #152053, #152055, … |
| maximal normal subgroup of | #152028, #152053, #152055, … |
| maximal quotient of | #129237, #129270, #129334, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5705);