Finite Group Databasebeta

D421⋊#104 #41003835

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

Aliases

unambiguous semidirect productD421⋊#104

Splittings

Fitting#41×C421 ⋊ C4
SylowC421 ⋊ C2×#104

Subgroups

subgroupG/H
centerC4C22⋊#13132997
commutatorC4×C421C22×C4
FrattiniC4C22×#13132997
Fitting#41×C421C4
socleC2×C421C2×C22⋊C4
prime radical#41×D421C2
cosocleC4×D421C23
hypercenter#41#13132997
hypocenterC421C2×#104
LCSG ▷ C4×C421 ▷ C2×C421 ▷ C421
UCSC1 ◁ C4 ◁ C2×C4 ◁ #41

170 conjugacy classes of subgroups; only the 50 normal subgroups are shown.

normal subgroups only

This group has 170 conjugacy classes of subgroups — too many to draw. Only its 50 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 3368

Polycyclic presentation:

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

Conjugacy classes & character table

1078 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26944, 1544);