Finite Group Databasebeta

C61×Dic77 #34037692

order18788
automorphism?
homologyAbelianization (H1) = C4×C61 · Schur multiplier (H2) = C1

Aliases

direct productC61×Dic77
unambiguous semidirect productC7⋊(Dic11×C61)
unambiguous semidirect productC11⋊(Dic7×C61)

Splittings

derived, HallC7×C11 ⋊ C4×C61
HallC7×C11×C61 ⋊ C4
HallC11×C61 ⋊ Dic7
HallC7×C61 ⋊ Dic11
SylowC11 ⋊ Dic7×C61
SylowC7 ⋊ Dic11×C61

Subgroups

subgroupG/H
center, hypercenterC2×C61D77
commutator, hypocenterC7×C11C4×C61
FrattiniC2C61×D77
Fitting, socle, prime radicalC2×C7×C11×C61C2
cosocleC2×C7×C11C2×C61
LCSG ▷ C7×C11
UCSC1 ◁ C2×C61

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 18788

Conjugacy classes & character table

4880 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18788, 7);