Finite Group Databasebeta

D421⋊#101 #41003825

order26944
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD421⋊#101

Splittings

SylowC421 ⋊ C2×#101

Subgroups

subgroupG/H
centerC2C2×C22⋊#13132997
commutatorC22×C421C22×C4
FrattiniC22C22×#13132997
FittingC2×Q8×C421C4
socleC2×C421C2×C22⋊C4
prime radicalC22×D421C2×C4
cosocleC2×Dic421C23
hypercenterC2×Q8#13132997
hypocenterC421C2×#101
LCSG ▷ C22×C421 ▷ C2×C421 ▷ C421
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×Q8

146 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6736

Polycyclic presentation:

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

Conjugacy classes & character table

1072 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26944, 1534);