Finite Group Databasebeta

C22⋊#20264563 #38788798

order25808
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#20264563
unambiguous semidirect product(C2×#20264563)⋊C2

Splittings

FittingC22×C1613 ⋊ C4
SylowC1613 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC2C2×#20264563
commutator, socleC2×C1613C2×C4
FittingC22×C1613C4
prime radicalC22×D1613C2
cosocleC2×D1613C22
hypercenterC22#20264563
hypocenterC1613C22⋊C4
LCSG ▷ C2×C1613 ▷ C1613
UCSC1 ◁ C2 ◁ C22

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6452

Polycyclic presentation:

2^4,1613|a^2=d,b^a=bc,e^a=e^1486,e^d=e^1612

Conjugacy classes & character table

1622 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25808, 45);