Finite Group Databasebeta

C23×C22⋊D7 #13046239

order1288
isoclinismisoclinic class of Dic14
automorphism?
homologyAbelianization (H1) = C22×C23 · Schur multiplier (H2) = C2

Aliases

direct productC23×C22⋊D7
unambiguous semidirect productC22⋊(D7×C23)

Splittings

FittingC22×C7×C23 ⋊ C2
HallC7×C23 ⋊ D4
SylowC7 ⋊ D4×C23

Subgroups

subgroupG/H
centerC2×C23C2×D7
commutator, cosocleC2×C7C22×C23
FrattiniC2C2×D7×C23
FittingC22×C7×C23C2
socleC2×C7×C23C22
hypercenterC22×C23D7
hypocenterC7D4×C23
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C23 ◁ C22×C23

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 644

A minimal faithful permutation representation — 2 generators on 34 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23)(24,25,27,29,30,28,26)(32,34);(25,26)(27,28)(29,30)(31,32)(33,34)

Conjugacy classes & character table

391 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1288, 21);