Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #2202 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | B(4,𝔽2) |
| commutator | C2×Q8 | C22×C4 |
| Frattini, cosocle | C22×Q8 | C23 |
| prime radical | C22×D4 | D4 |
| LCS | G ▷ C2×Q8 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23 ◁ C22×Q8 ◁ G | |
| LECS | G ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1 | |
370 conjugacy classes of subgroups; only the 71 normal subgroups are shown.
This group has 370 conjugacy classes of subgroups — too many to draw. Only its 71 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 36 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 36 points:
(1,2)(3,4)(5,6,10,13,11,16,9,15)(7,17,20,34,21,32,19,35)(8,22,25,31,26,14,24,33)(12,27,28,23,30,36,29,18);(5,7,11,21)(6,12,16,30)(8,23,26,18)(9,20,10,19)(13,28,15,29)(14,32,22,17)(24,36,25,27)(31,34,33,35);(2,4)(6,13)(9,10)(12,28)(14,33)(15,16)(17,34)(19,20)(22,31)(24,25)(27,36)(29,30)(32,35)Polycyclic presentation:
2^8|a^2=f,b^2=h,d^2=h,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,g^a=gh,d^b=dh,e^b=egh,f^b=fgh,d^c=dg,e^c=eh,f^c=fh,e^d=eh,f^d=fh34 conjugacy classes — view the full character table.
| maximal subgroup of | #152561, #152577, #152578, … |
| maximal normal subgroup of | #152561, #152577, #152578, … |
| maximal quotient of | #129582, #129626, #130081, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5763);