Finite Group Databasebeta
Cayley diagram

C2×#2414 #34710

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2414

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

2087 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 18 points:

(1,2);(7,8,9,10)(11,12)(13,17)(14,15)(16,18);(4,6)(12,15)(16,17);(3,4)(5,6)(7,8)(9,10)(11,12)(13,16)(14,15)(17,18);(11,13,14,18)(12,16,15,17)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97384, #97417, #111603, …
maximal normal subgroup of#97384, #97417, #111603, …
maximal quotient ofC2×#13871, C2×#13951, C2×#13973, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27698);