Finite Group Databasebeta

C103×C7⋊Dic7 #34118232

order20188
isoclinismisoclinic class of C7⋊D7
automorphism?
homologyAbelianization (H1) = C4×C103 · Schur multiplier (H2) = C7

Aliases

direct productC103×C7⋊Dic7
unambiguous semidirect productC7⋊(Dic7×C103)

Splittings

derived, SylowC72 ⋊ C4×C103
HallC72×C103 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C103C7⋊D7
commutator, hypocenterC72C4×C103
FrattiniC2C7⋊D7×C103
Fitting, socle, prime radicalC2×C72×C103C2
cosocleC2×C72C2×C103
LCSG ▷ C72
UCSC1 ◁ C2×C103

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 121
transitive degreeμt(G) = 20188

A minimal faithful permutation representation — 3 generators on 121 points:

(1,4,3,2)(6,7)(8,9)(10,11)(13,14)(15,16)(17,18)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121);(12,13,15,17,18,16,14);(5,6,8,10,11,9,7)

Conjugacy classes & character table

5356 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20188, 12);