Finite Group Databasebeta

D821⋊C16 #39911321

order26272
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD821⋊C16

Splittings

derived, SylowC821 ⋊ C2×C16

Subgroups

subgroupG/H
center, hypercenterC8#15692846
commutator, hypocenterC821C2×C16
FrattiniC4C2×#15692846
FittingC8×C821C4
socleC2×C821C2×C8
prime radicalC2×D821C8
cosocle#20267100C22
LCSG ▷ C821
UCSC1 ◁ C8

28 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 13136

Polycyclic presentation:

2^5,821|a^2=c,c^2=d,d^2=e,f^a=f^295,f^b=f^820,f^c=f^820

Conjugacy classes & character table

1672 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26272, 219);