Finite Group Databasebeta

Q8⋊#15691794 #38763371

order25408
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productQ8⋊#15691794

Splittings

SylowC397 ⋊ Q8⋊C8

Subgroups

subgroupG/H
centerC22C22⋊#13097544
commutatorC4×C397C2×C8
FrattiniC2×C4C2×#13097544
FittingC2×Q8×C397C4
socle, prime radicalC22×C397C22⋊C4
cosocleC4×Dic397C22
hypercenterC2×Q8#13097544
hypocenterC397Q8⋊C8
LCSG ▷ C4×C397 ▷ C2×C397 ▷ C397
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×Q8

70 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 25408

Polycyclic presentation:

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

Conjugacy classes & character table

1018 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25408, 1398);