Finite Group Databasebeta

D1621⋊C8 #39906332

order25936
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD1621⋊C8

Splittings

derived, SylowC1621 ⋊ C2×C8

Subgroups

subgroupG/H
center, hypercenterC4#20266483
commutator, hypocenterC1621C2×C8
FrattiniC2C2×#20266483
FittingC4×C1621C4
socleC2×C1621C2×C4
prime radicalC2×D1621C4
cosocleDic1621C22
LCSG ▷ C1621
UCSC1 ◁ C4

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 12968

Polycyclic presentation:

2^4,1621|a^2=c,c^2=d,e^a=e^166,e^b=e^1620,e^c=e^1620

Conjugacy classes & character table

1636 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25936, 48);