Finite Group Databasebeta

D397⋊#101 #38763507

order25408
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD397⋊#101

Splittings

SylowC397 ⋊ C2×#101

Subgroups

subgroupG/H
centerC2C2×C22⋊#13097544
commutatorC22×C397C22×C4
FrattiniC22C22×#13097544
FittingC2×Q8×C397C4
socleC2×C397C2×C22⋊C4
prime radicalC22×D397C2×C4
cosocleC2×Dic397C23
hypercenterC2×Q8#13097544
hypocenterC397C2×#101
LCSG ▷ C22×C397 ▷ C2×C397 ▷ C397
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×Q8

146 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6352

Polycyclic presentation:

2^6,397|a^2=e,b^2=f,e^2=f,b^a=bd,d^a=df,g^a=g^334,e^b=ef,g^c=g^396,g^e=g^396

Conjugacy classes & character table

1012 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25408, 1534);