Finite Group Databasebeta

D421⋊#108 #41003853

order26944
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD421⋊#108

Splittings

SylowC421 ⋊ C2×#108

Subgroups

subgroupG/H
centerC4C4⋊#13132997
commutatorC4×C421C22×C4
FrattiniC4C22×#13132997
FittingC2×C8×C421C4
socleC2×C421C2×C4⋊C4
prime radicalC22×D421Q8
cosocleC4×D421C23
hypercenterC2×C8#13132997
hypocenterC421C2×#108
LCSG ▷ C4×C421 ▷ C2×C421 ▷ C421
UCSC1 ◁ C4 ◁ C2×C4 ◁ C2×C8

106 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6736

Polycyclic presentation:

2^6,421|a^2=e,b^2=d,d^2=f,e^2=f,b^a=bd,d^a=df,g^a=g^29,g^c=g^420,g^e=g^420

Conjugacy classes & character table

1708 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26944, 1562);