Finite Group Databasebeta

C7×Dic417 #26043009

order11676
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic417
unambiguous semidirect productC3⋊(C7×Dic139)
unambiguous semidirect productC139⋊(C7×Dic3)

Splittings

derived, HallC3×C139 ⋊ C4×C7
HallC3×C7×C139 ⋊ C4
HallC7×C139 ⋊ Dic3
SylowC139 ⋊ C7×Dic3
HallC3×C7 ⋊ Dic139
SylowC3 ⋊ C7×Dic139

Subgroups

subgroupG/H
center, hypercenterC2×C7D417
commutator, hypocenterC3×C139C4×C7
FrattiniC2C7×D417
Fitting, socle, prime radicalC2×C3×C7×C139C2
cosocleC2×C3×C139C2×C7
LCSG ▷ C3×C139
UCSC1 ◁ C2×C7

24 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

2940 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC7×Dic1251, C7×C3⋊((C139⋊C3)⋊C4), C3⋊#26043015, …
maximal normal subgroup ofC7×C3⋊((C139⋊C3)⋊C4), C3⋊#26043015, C3⋊#26043014, …
maximal quotient ofC7×Dic1251, C7×C3⋊Dic417, C3×C7×Dic417

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(11676, 10);