Finite Group Databasebeta

Dic239⋊C8 #21439889

order7648
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productDic239⋊C8

Splittings

SylowC239 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×D239
commutatorC2×C239C2×C8
FittingC2×C8×C239C2
socleC22×C239C2×C4
hypercenterC2×C8D239
hypocenterC239C4⋊C8
LCSG ▷ C2×C239 ▷ C239
UCSC1 ◁ C2×C4 ◁ C2×C8

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^5,239|a^2=d,b^2=c,d^2=e,b^a=bc,f^b=f^238

Conjugacy classes & character table

1924 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC4⋊C8×D239, C2×Dic239⋊C8, #29504794, …
maximal normal subgroup ofC4⋊C8×D239, C2×Dic239⋊C8, #29504794, …
maximal quotient of#29504522, #29504524, #29504526, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7648, 75);