Finite Group Databasebeta

C22⋊#20263734 #38763416

order25408
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#20263734

Splittings

SylowC397 ⋊ C22⋊C16

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×#13097544
commutatorC2×C397C2×C16
FittingC22×C4×C397C4
socleC22×C397C2×C8
prime radicalC23×C397C8
cosocleC2×#15691787C22
hypercenterC22×C4#13097544
hypocenterC397C22⋊C16
LCSG ▷ C2×C397 ▷ C397
UCSC1 ◁ C2×C4 ◁ C22×C4

66 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 12704

Polycyclic presentation:

2^6,397|a^2=d,d^2=e,e^2=f,b^a=bc,g^a=g^334,g^d=g^396

Conjugacy classes & character table

1624 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25408, 1443);