Finite Group Databasebeta

C2×#23779237 #35205158

order20392
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

direct productC2×#23779237
unambiguous semidirect productD2549⋊C4

Splittings

Fitting, socleC2×C2549 ⋊ C4
derived, SylowC2549 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC2#23779237
commutator, hypocenterC2549C2×C4
FrattiniC1G
Fitting, socleC2×C2549C4
prime radicalC2×D2549C2
cosocleD2549C22
LCSG ▷ C2549
UCSC1 ◁ C2

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5098

Conjugacy classes & character table

1282 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20392, 14);