Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23860 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×D8 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C4⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
436 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(1,2,4,3)(5,6,8,9)(7,11,12,10)(13,14,18,22)(15,19,25,28)(16,20,17,21)(23,26,24,27);(1,3,4,2)(6,9)(10,11)(13,15)(14,19)(16,24)(17,23)(18,25)(20,27)(21,26)(22,28);(2,3)(15,23)(16,17)(19,26)(20,21)(24,25)(27,28);(5,7,8,12)(6,10,9,11)(13,16,18,17)(14,20,22,21)(15,24,25,23)(19,27,28,26)Polycyclic presentation:
2^8|a^2=efh,b^2=f,d^2=eh,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,d^c=dh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#25335, #6447080, #6447087, … |
| maximal normal subgroup of | C2×#25335, #6447080, #6447087, … |
| maximal quotient of | #287315, #287316, #287317, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 18323);