Finite Group Databasebeta

C7×Dic1115 #44530231

order31220
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic1115
unambiguous semidirect productC223⋊(C7×Dic5)

Splittings

derived, HallC5×C223 ⋊ C4×C7
HallC5×C7×C223 ⋊ C4
HallC7×C223 ⋊ Dic5
SylowC223 ⋊ C7×Dic5
HallC5×C7 ⋊ Dic223
SylowC5 ⋊ C7×Dic223

Subgroups

subgroupG/H
center, hypercenterC2×C7D1115
commutator, hypocenterC5×C223C4×C7
FrattiniC2C7×D1115
Fitting, socle, prime radicalC2×C5×C7×C223C2
cosocleC2×C5×C223C2×C7
LCSG ▷ C5×C223
UCSC1 ◁ C2×C7

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 31220

Conjugacy classes & character table

7826 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31220, 6);